20517300

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 180

約数和(自身を含む): 70893900

約数和(自身を除く): 50376600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 81, 85, 90, 100, 102, 108, 135, 149, 150, 153, 162, 170, 180, 204, 225, 255, 270, 298, 300, 306, 324, 340, 405, 425, 447, 450, 459, 510, 540, 596, 612, 675, 745, 765, 810, 850, 894, 900, 918, 1020, 1275, 1341, 1350, 1377, 1490, 1530, 1620, 1700, 1788, 1836, 2025, 2235, 2295, 2533, 2550, 2682, 2700, 2754, 2980, 3060, 3725, 3825, 4023, 4050, 4470, 4590, 5066, 5100, 5364, 5508, 6705, 6885, 7450, 7599, 7650, 8046, 8100, 8940, 9180, 10132, 11175, 11475, 12069, 12665, 13410, 13770, 14900, 15198, 15300, 16092, 20115, 22350, 22797, 22950, 24138, 25330, 26820, 27540, 30396, 33525, 34425, 37995, 40230, 44700, 45594, 45900, 48276, 50660, 60345, 63325, 67050, 68391, 68850, 75990, 80460, 91188, 100575, 113985, 120690, 126650, 134100, 136782, 137700, 151980, 189975, 201150, 205173, 227970, 241380, 253300, 273564, 301725, 341955, 379950, 402300, 410346, 455940, 569925, 603450, 683910, 759900, 820692, 1025865, 1139850, 1206900, 1367820, 1709775, 2051730, 2279700, 3419550, 4103460, 5129325, 6839100, 10258650, 20517300]

約数ペア:

[(1, 20517300), (2, 10258650), (3, 6839100), (4, 5129325), (5, 4103460), (6, 3419550), (9, 2279700), (10, 2051730), (12, 1709775), (15, 1367820), (17, 1206900), (18, 1139850), (20, 1025865), (25, 820692), (27, 759900), (30, 683910), (34, 603450), (36, 569925), (45, 455940), (50, 410346), (51, 402300), (54, 379950), (60, 341955), (68, 301725), (75, 273564), (81, 253300), (85, 241380), (90, 227970), (100, 205173), (102, 201150), (108, 189975), (135, 151980), (149, 137700), (150, 136782), (153, 134100), (162, 126650), (170, 120690), (180, 113985), (204, 100575), (225, 91188), (255, 80460), (270, 75990), (298, 68850), (300, 68391), (306, 67050), (324, 63325), (340, 60345), (405, 50660), (425, 48276), (447, 45900), (450, 45594), (459, 44700), (510, 40230), (540, 37995), (596, 34425), (612, 33525), (675, 30396), (745, 27540), (765, 26820), (810, 25330), (850, 24138), (894, 22950), (900, 22797), (918, 22350), (1020, 20115), (1275, 16092), (1341, 15300), (1350, 15198), (1377, 14900), (1490, 13770), (1530, 13410), (1620, 12665), (1700, 12069), (1788, 11475), (1836, 11175), (2025, 10132), (2235, 9180), (2295, 8940), (2533, 8100), (2550, 8046), (2682, 7650), (2700, 7599), (2754, 7450), (2980, 6885), (3060, 6705), (3725, 5508), (3825, 5364), (4023, 5100), (4050, 5066), (4470, 4590)]