20940816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 59898944

約数和(自身を除く): 38958128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 74, 78, 104, 111, 148, 156, 208, 222, 296, 312, 444, 481, 592, 624, 888, 907, 962, 1443, 1776, 1814, 1924, 2721, 2886, 3628, 3848, 5442, 5772, 7256, 7696, 10884, 11544, 11791, 14512, 21768, 23088, 23582, 33559, 35373, 43536, 47164, 67118, 70746, 94328, 100677, 134236, 141492, 188656, 201354, 268472, 282984, 402708, 436267, 536944, 565968, 805416, 872534, 1308801, 1610832, 1745068, 2617602, 3490136, 5235204, 6980272, 10470408, 20940816]

約数ペア:

[(1, 20940816), (2, 10470408), (3, 6980272), (4, 5235204), (6, 3490136), (8, 2617602), (12, 1745068), (13, 1610832), (16, 1308801), (24, 872534), (26, 805416), (37, 565968), (39, 536944), (48, 436267), (52, 402708), (74, 282984), (78, 268472), (104, 201354), (111, 188656), (148, 141492), (156, 134236), (208, 100677), (222, 94328), (296, 70746), (312, 67118), (444, 47164), (481, 43536), (592, 35373), (624, 33559), (888, 23582), (907, 23088), (962, 21768), (1443, 14512), (1776, 11791), (1814, 11544), (1924, 10884), (2721, 7696), (2886, 7256), (3628, 5772), (3848, 5442)]