20602440420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{4273}}^1$

素因数の和:4494

約数の個数: 192

約数和(自身を含む): 63588913920

約数和(自身を除く): 42986473500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 163, 170, 174, 204, 255, 290, 326, 340, 348, 435, 489, 493, 510, 580, 652, 815, 870, 978, 986, 1020, 1479, 1630, 1740, 1956, 1972, 2445, 2465, 2771, 2958, 3260, 4273, 4727, 4890, 4930, 5542, 5916, 7395, 8313, 8546, 9454, 9780, 9860, 11084, 12819, 13855, 14181, 14790, 16626, 17092, 18908, 21365, 23635, 25638, 27710, 28362, 29580, 33252, 41565, 42730, 47270, 51276, 55420, 56724, 64095, 70905, 72641, 80359, 83130, 85460, 94540, 123917, 128190, 141810, 145282, 160718, 166260, 217923, 241077, 247834, 256380, 283620, 290564, 321436, 363205, 371751, 401795, 435846, 482154, 495668, 619585, 696499, 726410, 743502, 803590, 871692, 964308, 1089615, 1205385, 1239170, 1392998, 1452820, 1487004, 1607180, 1858755, 2089497, 2106589, 2179230, 2410770, 2478340, 2785996, 3482495, 3717510, 4178994, 4213178, 4358460, 4821540, 6319767, 6964990, 7435020, 8357988, 8426356, 10447485, 10532945, 11840483, 12639534, 13929980, 20198471, 20894970, 21065890, 23680966, 25279068, 31598835, 35521449, 40396942, 41789940, 42131780, 47361932, 59202415, 60595413, 63197670, 71042898, 80793884, 100992355, 118404830, 121190826, 126395340, 142085796, 177607245, 201984710, 236809660, 242381652, 302977065, 343374007, 355214490, 403969420, 605954130, 686748014, 710428980, 1030122021, 1211908260, 1373496028, 1716870035, 2060244042, 3433740070, 4120488084, 5150610105, 6867480140, 10301220210, 20602440420]

約数ペア:

[(1, 20602440420), (2, 10301220210), (3, 6867480140), (4, 5150610105), (5, 4120488084), (6, 3433740070), (10, 2060244042), (12, 1716870035), (15, 1373496028), (17, 1211908260), (20, 1030122021), (29, 710428980), (30, 686748014), (34, 605954130), (51, 403969420), (58, 355214490), (60, 343374007), (68, 302977065), (85, 242381652), (87, 236809660), (102, 201984710), (116, 177607245), (145, 142085796), (163, 126395340), (170, 121190826), (174, 118404830), (204, 100992355), (255, 80793884), (290, 71042898), (326, 63197670), (340, 60595413), (348, 59202415), (435, 47361932), (489, 42131780), (493, 41789940), (510, 40396942), (580, 35521449), (652, 31598835), (815, 25279068), (870, 23680966), (978, 21065890), (986, 20894970), (1020, 20198471), (1479, 13929980), (1630, 12639534), (1740, 11840483), (1956, 10532945), (1972, 10447485), (2445, 8426356), (2465, 8357988), (2771, 7435020), (2958, 6964990), (3260, 6319767), (4273, 4821540), (4727, 4358460), (4890, 4213178), (4930, 4178994), (5542, 3717510), (5916, 3482495), (7395, 2785996), (8313, 2478340), (8546, 2410770), (9454, 2179230), (9780, 2106589), (9860, 2089497), (11084, 1858755), (12819, 1607180), (13855, 1487004), (14181, 1452820), (14790, 1392998), (16626, 1239170), (17092, 1205385), (18908, 1089615), (21365, 964308), (23635, 871692), (25638, 803590), (27710, 743502), (28362, 726410), (29580, 696499), (33252, 619585), (41565, 495668), (42730, 482154), (47270, 435846), (51276, 401795), (55420, 371751), (56724, 363205), (64095, 321436), (70905, 290564), (72641, 283620), (80359, 256380), (83130, 247834), (85460, 241077), (94540, 217923), (123917, 166260), (128190, 160718), (141810, 145282)]