20530710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1531}}^1$

素因数の和:1693

約数の個数: 48

約数和(自身を含む): 53773200

約数和(自身を除く): 33242490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 1531, 2235, 2682, 3062, 4470, 4593, 6705, 7655, 9186, 13410, 13779, 15310, 22965, 27558, 45930, 68895, 137790, 228119, 456238, 684357, 1140595, 1368714, 2053071, 2281190, 3421785, 4106142, 6843570, 10265355, 20530710]

約数ペア:

[(1, 20530710), (2, 10265355), (3, 6843570), (5, 4106142), (6, 3421785), (9, 2281190), (10, 2053071), (15, 1368714), (18, 1140595), (30, 684357), (45, 456238), (90, 228119), (149, 137790), (298, 68895), (447, 45930), (745, 27558), (894, 22965), (1341, 15310), (1490, 13779), (1531, 13410), (2235, 9186), (2682, 7655), (3062, 6705), (4470, 4593)]