20120432

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 40815840

約数和(自身を除く): 20695408

約数列:

[1, 2, 4, 8, 16, 29, 58, 103, 116, 206, 232, 412, 421, 464, 824, 842, 1648, 1684, 2987, 3368, 5974, 6736, 11948, 12209, 23896, 24418, 43363, 47792, 48836, 86726, 97672, 173452, 195344, 346904, 693808, 1257527, 2515054, 5030108, 10060216, 20120432]

約数ペア:

[(1, 20120432), (2, 10060216), (4, 5030108), (8, 2515054), (16, 1257527), (29, 693808), (58, 346904), (103, 195344), (116, 173452), (206, 97672), (232, 86726), (412, 48836), (421, 47792), (464, 43363), (824, 24418), (842, 23896), (1648, 12209), (1684, 11948), (2987, 6736), (3368, 5974)]