20171855496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71917}}^1$

素因数の和:71999

約数の個数: 128

約数和(自身を含む): 57994675200

約数和(自身を除く): 37822819704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 104, 116, 124, 156, 174, 186, 232, 248, 312, 348, 372, 377, 403, 696, 744, 754, 806, 899, 1131, 1209, 1508, 1612, 1798, 2262, 2418, 2697, 3016, 3224, 3596, 4524, 4836, 5394, 7192, 9048, 9672, 10788, 11687, 21576, 23374, 35061, 46748, 70122, 71917, 93496, 140244, 143834, 215751, 280488, 287668, 431502, 575336, 863004, 934921, 1726008, 1869842, 2085593, 2229427, 2804763, 3739684, 4171186, 4458854, 5609526, 6256779, 6688281, 7479368, 8342372, 8917708, 11219052, 12513558, 13376562, 16684744, 17835416, 22438104, 25027116, 26753124, 27112709, 28982551, 50054232, 53506248, 54225418, 57965102, 64653383, 81338127, 86947653, 108450836, 115930204, 129306766, 162676254, 173895306, 193960149, 216901672, 231860408, 258613532, 325352508, 347790612, 387920298, 517227064, 650705016, 695581224, 775840596, 840493979, 1551681192, 1680987958, 2521481937, 3361975916, 5042963874, 6723951832, 10085927748, 20171855496]

約数ペア:

[(1, 20171855496), (2, 10085927748), (3, 6723951832), (4, 5042963874), (6, 3361975916), (8, 2521481937), (12, 1680987958), (13, 1551681192), (24, 840493979), (26, 775840596), (29, 695581224), (31, 650705016), (39, 517227064), (52, 387920298), (58, 347790612), (62, 325352508), (78, 258613532), (87, 231860408), (93, 216901672), (104, 193960149), (116, 173895306), (124, 162676254), (156, 129306766), (174, 115930204), (186, 108450836), (232, 86947653), (248, 81338127), (312, 64653383), (348, 57965102), (372, 54225418), (377, 53506248), (403, 50054232), (696, 28982551), (744, 27112709), (754, 26753124), (806, 25027116), (899, 22438104), (1131, 17835416), (1209, 16684744), (1508, 13376562), (1612, 12513558), (1798, 11219052), (2262, 8917708), (2418, 8342372), (2697, 7479368), (3016, 6688281), (3224, 6256779), (3596, 5609526), (4524, 4458854), (4836, 4171186), (5394, 3739684), (7192, 2804763), (9048, 2229427), (9672, 2085593), (10788, 1869842), (11687, 1726008), (21576, 934921), (23374, 863004), (35061, 575336), (46748, 431502), (70122, 287668), (71917, 280488), (93496, 215751), (140244, 143834)]