20779620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8447}}^1$

素因数の和:8500

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 38829468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8447, 16894, 25341, 33788, 42235, 50682, 84470, 101364, 126705, 168940, 253410, 346327, 506820, 692654, 1038981, 1385308, 1731635, 2077962, 3463270, 4155924, 5194905, 6926540, 10389810, 20779620]

約数ペア:

[(1, 20779620), (2, 10389810), (3, 6926540), (4, 5194905), (5, 4155924), (6, 3463270), (10, 2077962), (12, 1731635), (15, 1385308), (20, 1038981), (30, 692654), (41, 506820), (60, 346327), (82, 253410), (123, 168940), (164, 126705), (205, 101364), (246, 84470), (410, 50682), (492, 42235), (615, 33788), (820, 25341), (1230, 16894), (2460, 8447)]