20852260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 53851392

約数和(自身を除く): 32999132

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 317, 460, 506, 572, 598, 634, 715, 1012, 1196, 1265, 1268, 1430, 1495, 1585, 2530, 2860, 2990, 3170, 3289, 3487, 4121, 5060, 5980, 6340, 6578, 6974, 7291, 8242, 13156, 13948, 14582, 16445, 16484, 17435, 20605, 29164, 32890, 34870, 36455, 41210, 45331, 65780, 69740, 72910, 80201, 82420, 90662, 94783, 145820, 160402, 181324, 189566, 226655, 320804, 379132, 401005, 453310, 473915, 802010, 906620, 947830, 1042613, 1604020, 1895660, 2085226, 4170452, 5213065, 10426130, 20852260]

約数ペア:

[(1, 20852260), (2, 10426130), (4, 5213065), (5, 4170452), (10, 2085226), (11, 1895660), (13, 1604020), (20, 1042613), (22, 947830), (23, 906620), (26, 802010), (44, 473915), (46, 453310), (52, 401005), (55, 379132), (65, 320804), (92, 226655), (110, 189566), (115, 181324), (130, 160402), (143, 145820), (220, 94783), (230, 90662), (253, 82420), (260, 80201), (286, 72910), (299, 69740), (317, 65780), (460, 45331), (506, 41210), (572, 36455), (598, 34870), (634, 32890), (715, 29164), (1012, 20605), (1196, 17435), (1265, 16484), (1268, 16445), (1430, 14582), (1495, 13948), (1585, 13156), (2530, 8242), (2860, 7291), (2990, 6974), (3170, 6578), (3289, 6340), (3487, 5980), (4121, 5060)]