20894048

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2575

約数の個数: 48

約数和(自身を含む): 48301344

約数和(自身を除く): 27407296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2521, 4144, 5042, 8288, 10084, 17647, 20168, 35294, 40336, 70588, 80672, 93277, 141176, 186554, 282352, 373108, 564704, 652939, 746216, 1305878, 1492432, 2611756, 2984864, 5223512, 10447024, 20894048]

約数ペア:

[(1, 20894048), (2, 10447024), (4, 5223512), (7, 2984864), (8, 2611756), (14, 1492432), (16, 1305878), (28, 746216), (32, 652939), (37, 564704), (56, 373108), (74, 282352), (112, 186554), (148, 141176), (224, 93277), (259, 80672), (296, 70588), (518, 40336), (592, 35294), (1036, 20168), (1184, 17647), (2072, 10084), (2521, 8288), (4144, 5042)]