20121888

素因数分解:

$2^5\times 3^1\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 53101440

約数和(自身を除く): 32979552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 239, 478, 717, 877, 956, 1434, 1754, 1912, 2631, 2868, 3508, 3824, 5262, 5736, 7016, 7648, 10524, 11472, 14032, 21048, 22944, 28064, 42096, 84192, 209603, 419206, 628809, 838412, 1257618, 1676824, 2515236, 3353648, 5030472, 6707296, 10060944, 20121888]

約数ペア:

[(1, 20121888), (2, 10060944), (3, 6707296), (4, 5030472), (6, 3353648), (8, 2515236), (12, 1676824), (16, 1257618), (24, 838412), (32, 628809), (48, 419206), (96, 209603), (239, 84192), (478, 42096), (717, 28064), (877, 22944), (956, 21048), (1434, 14032), (1754, 11472), (1912, 10524), (2631, 7648), (2868, 7016), (3508, 5736), (3824, 5262)]