20072449180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:841

約数の個数: 192

約数和(自身を含む): 51246720000

約数和(自身を除く): 31174270820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 163, 196, 203, 245, 290, 326, 343, 406, 490, 580, 619, 652, 686, 812, 815, 980, 1015, 1141, 1238, 1372, 1421, 1630, 1715, 2030, 2282, 2476, 2842, 3095, 3260, 3430, 4060, 4333, 4564, 4727, 5684, 5705, 6190, 6860, 7105, 7987, 8666, 9454, 9947, 11410, 12380, 14210, 15974, 17332, 17951, 18908, 19894, 21665, 22820, 23635, 28420, 30331, 31948, 33089, 35902, 39788, 39935, 43330, 47270, 49735, 55909, 60662, 66178, 71804, 79870, 86660, 89755, 94540, 99470, 100897, 111818, 121324, 125657, 132356, 151655, 159740, 165445, 179510, 198940, 201794, 212317, 223636, 231623, 251314, 279545, 303310, 330890, 359020, 403588, 424634, 463246, 502628, 504485, 559090, 606620, 628285, 661780, 706279, 849268, 879599, 926492, 1008970, 1061585, 1118180, 1158115, 1256570, 1412558, 1621361, 1759198, 2017940, 2123170, 2316230, 2513140, 2825116, 2926013, 3242722, 3518396, 3531395, 4246340, 4397995, 4632460, 4943953, 5852026, 6157193, 6485444, 7062790, 8106805, 8795990, 9887906, 11704052, 12314386, 14125580, 14630065, 16213610, 17591980, 19775812, 20482091, 24628772, 24719765, 29260130, 30785965, 32427220, 34607671, 40964182, 49439530, 58520260, 61571930, 69215342, 81928364, 98879060, 102410455, 123143860, 138430684, 143374637, 173038355, 204820910, 286749274, 346076710, 409641820, 573498548, 692153420, 716873185, 1003622459, 1433746370, 2007244918, 2867492740, 4014489836, 5018112295, 10036224590, 20072449180]

約数ペア:

[(1, 20072449180), (2, 10036224590), (4, 5018112295), (5, 4014489836), (7, 2867492740), (10, 2007244918), (14, 1433746370), (20, 1003622459), (28, 716873185), (29, 692153420), (35, 573498548), (49, 409641820), (58, 346076710), (70, 286749274), (98, 204820910), (116, 173038355), (140, 143374637), (145, 138430684), (163, 123143860), (196, 102410455), (203, 98879060), (245, 81928364), (290, 69215342), (326, 61571930), (343, 58520260), (406, 49439530), (490, 40964182), (580, 34607671), (619, 32427220), (652, 30785965), (686, 29260130), (812, 24719765), (815, 24628772), (980, 20482091), (1015, 19775812), (1141, 17591980), (1238, 16213610), (1372, 14630065), (1421, 14125580), (1630, 12314386), (1715, 11704052), (2030, 9887906), (2282, 8795990), (2476, 8106805), (2842, 7062790), (3095, 6485444), (3260, 6157193), (3430, 5852026), (4060, 4943953), (4333, 4632460), (4564, 4397995), (4727, 4246340), (5684, 3531395), (5705, 3518396), (6190, 3242722), (6860, 2926013), (7105, 2825116), (7987, 2513140), (8666, 2316230), (9454, 2123170), (9947, 2017940), (11410, 1759198), (12380, 1621361), (14210, 1412558), (15974, 1256570), (17332, 1158115), (17951, 1118180), (18908, 1061585), (19894, 1008970), (21665, 926492), (22820, 879599), (23635, 849268), (28420, 706279), (30331, 661780), (31948, 628285), (33089, 606620), (35902, 559090), (39788, 504485), (39935, 502628), (43330, 463246), (47270, 424634), (49735, 403588), (55909, 359020), (60662, 330890), (66178, 303310), (71804, 279545), (79870, 251314), (86660, 231623), (89755, 223636), (94540, 212317), (99470, 201794), (100897, 198940), (111818, 179510), (121324, 165445), (125657, 159740), (132356, 151655)]