20615360

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1$

素因数の和:2841

約数の個数: 56

約数和(自身を含む): 51242976

約数和(自身を除く): 30627616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2801, 3680, 5602, 7360, 11204, 14005, 22408, 28010, 44816, 56020, 64423, 89632, 112040, 128846, 179264, 224080, 257692, 322115, 448160, 515384, 644230, 896320, 1030768, 1288460, 2061536, 2576920, 4123072, 5153840, 10307680, 20615360]

約数ペア:

[(1, 20615360), (2, 10307680), (4, 5153840), (5, 4123072), (8, 2576920), (10, 2061536), (16, 1288460), (20, 1030768), (23, 896320), (32, 644230), (40, 515384), (46, 448160), (64, 322115), (80, 257692), (92, 224080), (115, 179264), (160, 128846), (184, 112040), (230, 89632), (320, 64423), (368, 56020), (460, 44816), (736, 28010), (920, 22408), (1472, 14005), (1840, 11204), (2801, 7360), (3680, 5602)]