20173631890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 39197100096

約数和(自身を除く): 19023468206

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 131, 215, 230, 262, 430, 529, 655, 677, 989, 1058, 1310, 1354, 1978, 2645, 3013, 3385, 4945, 5290, 5633, 6026, 6770, 9890, 11266, 15065, 15571, 22747, 28165, 29111, 30130, 31142, 45494, 56330, 58222, 69299, 77855, 88687, 113735, 129559, 138598, 145555, 155710, 177374, 227470, 259118, 291110, 346495, 358133, 443435, 647795, 669553, 692990, 716266, 886870, 1295590, 1339106, 1790665, 2039801, 2979857, 3347765, 3581330, 3813541, 4079602, 5959714, 6695530, 7627082, 10199005, 14899285, 15399719, 19067705, 20398010, 29798570, 30799438, 38135410, 46915423, 76998595, 87711443, 93830846, 153997190, 175422886, 234577115, 438557215, 469154230, 877114430, 2017363189, 4034726378, 10086815945, 20173631890]

約数ペア:

[(1, 20173631890), (2, 10086815945), (5, 4034726378), (10, 2017363189), (23, 877114430), (43, 469154230), (46, 438557215), (86, 234577115), (115, 175422886), (131, 153997190), (215, 93830846), (230, 87711443), (262, 76998595), (430, 46915423), (529, 38135410), (655, 30799438), (677, 29798570), (989, 20398010), (1058, 19067705), (1310, 15399719), (1354, 14899285), (1978, 10199005), (2645, 7627082), (3013, 6695530), (3385, 5959714), (4945, 4079602), (5290, 3813541), (5633, 3581330), (6026, 3347765), (6770, 2979857), (9890, 2039801), (11266, 1790665), (15065, 1339106), (15571, 1295590), (22747, 886870), (28165, 716266), (29111, 692990), (30130, 669553), (31142, 647795), (45494, 443435), (56330, 358133), (58222, 346495), (69299, 291110), (77855, 259118), (88687, 227470), (113735, 177374), (129559, 155710), (138598, 145555)]