20444460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2683}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 57716736

約数和(自身を除く): 37272276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2683, 3810, 5366, 7620, 8049, 10732, 13415, 16098, 26830, 32196, 40245, 53660, 80490, 160980, 340741, 681482, 1022223, 1362964, 1703705, 2044446, 3407410, 4088892, 5111115, 6814820, 10222230, 20444460]

約数ペア:

[(1, 20444460), (2, 10222230), (3, 6814820), (4, 5111115), (5, 4088892), (6, 3407410), (10, 2044446), (12, 1703705), (15, 1362964), (20, 1022223), (30, 681482), (60, 340741), (127, 160980), (254, 80490), (381, 53660), (508, 40245), (635, 32196), (762, 26830), (1270, 16098), (1524, 13415), (1905, 10732), (2540, 8049), (2683, 7620), (3810, 5366)]