20781675150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{683}}^1\times {\mathrm{2857}}^1$

素因数の和:3626

約数の個数: 96

約数和(自身を含む): 52359291648

約数和(自身を除く): 31577616498

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 683, 710, 1065, 1366, 1775, 2049, 2130, 2857, 3415, 3550, 4098, 5325, 5714, 6830, 8571, 10245, 10650, 14285, 17075, 17142, 20490, 28570, 34150, 42855, 48493, 51225, 71425, 85710, 96986, 102450, 142850, 145479, 202847, 214275, 242465, 290958, 405694, 428550, 484930, 608541, 727395, 1014235, 1212325, 1217082, 1454790, 1951331, 2028470, 2424650, 3042705, 3636975, 3902662, 5071175, 5853993, 6085410, 7273950, 9756655, 10142350, 11707986, 15213525, 19513310, 29269965, 30427050, 48783275, 58539930, 97566550, 138544501, 146349825, 277089002, 292699650, 415633503, 692722505, 831267006, 1385445010, 2078167515, 3463612525, 4156335030, 6927225050, 10390837575, 20781675150]

約数ペア:

[(1, 20781675150), (2, 10390837575), (3, 6927225050), (5, 4156335030), (6, 3463612525), (10, 2078167515), (15, 1385445010), (25, 831267006), (30, 692722505), (50, 415633503), (71, 292699650), (75, 277089002), (142, 146349825), (150, 138544501), (213, 97566550), (355, 58539930), (426, 48783275), (683, 30427050), (710, 29269965), (1065, 19513310), (1366, 15213525), (1775, 11707986), (2049, 10142350), (2130, 9756655), (2857, 7273950), (3415, 6085410), (3550, 5853993), (4098, 5071175), (5325, 3902662), (5714, 3636975), (6830, 3042705), (8571, 2424650), (10245, 2028470), (10650, 1951331), (14285, 1454790), (17075, 1217082), (17142, 1212325), (20490, 1014235), (28570, 727395), (34150, 608541), (42855, 484930), (48493, 428550), (51225, 405694), (71425, 290958), (85710, 242465), (96986, 214275), (102450, 202847), (142850, 145479)]