20121448208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{829}}^1\times {\mathrm{35279}}^1$

素因数の和:36159

約数の個数: 40

約数和(自身を含む): 39941193600

約数和(自身を除く): 19819745392

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 829, 1658, 3316, 6632, 13264, 35279, 35647, 70558, 71294, 141116, 142588, 282232, 285176, 564464, 570352, 1516997, 3033994, 6067988, 12135976, 24271952, 29246291, 58492582, 116985164, 233970328, 467940656, 1257590513, 2515181026, 5030362052, 10060724104, 20121448208]

約数ペア:

[(1, 20121448208), (2, 10060724104), (4, 5030362052), (8, 2515181026), (16, 1257590513), (43, 467940656), (86, 233970328), (172, 116985164), (344, 58492582), (688, 29246291), (829, 24271952), (1658, 12135976), (3316, 6067988), (6632, 3033994), (13264, 1516997), (35279, 570352), (35647, 564464), (70558, 285176), (71294, 282232), (141116, 142588)]