20871660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2083}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 58818816

約数和(自身を除く): 37947156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2083, 2505, 3340, 4166, 5010, 6249, 8332, 10020, 10415, 12498, 20830, 24996, 31245, 41660, 62490, 124980, 347861, 695722, 1043583, 1391444, 1739305, 2087166, 3478610, 4174332, 5217915, 6957220, 10435830, 20871660]

約数ペア:

[(1, 20871660), (2, 10435830), (3, 6957220), (4, 5217915), (5, 4174332), (6, 3478610), (10, 2087166), (12, 1739305), (15, 1391444), (20, 1043583), (30, 695722), (60, 347861), (167, 124980), (334, 62490), (501, 41660), (668, 31245), (835, 24996), (1002, 20830), (1670, 12498), (2004, 10415), (2083, 10020), (2505, 8332), (3340, 6249), (4166, 5010)]