20004540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5651}}^1$

素因数の和:5722

約数の個数: 48

約数和(自身を含む): 56972160

約数和(自身を除く): 36967620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5651, 11302, 16953, 22604, 28255, 33906, 56510, 67812, 84765, 113020, 169530, 333409, 339060, 666818, 1000227, 1333636, 1667045, 2000454, 3334090, 4000908, 5001135, 6668180, 10002270, 20004540]

約数ペア:

[(1, 20004540), (2, 10002270), (3, 6668180), (4, 5001135), (5, 4000908), (6, 3334090), (10, 2000454), (12, 1667045), (15, 1333636), (20, 1000227), (30, 666818), (59, 339060), (60, 333409), (118, 169530), (177, 113020), (236, 84765), (295, 67812), (354, 56510), (590, 33906), (708, 28255), (885, 22604), (1180, 16953), (1770, 11302), (3540, 5651)]