20158980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1877}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 56790720

約数和(自身を除く): 36631740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 1877, 2148, 2685, 3580, 3754, 5370, 5631, 7508, 9385, 10740, 11262, 18770, 22524, 28155, 37540, 56310, 112620, 335983, 671966, 1007949, 1343932, 1679915, 2015898, 3359830, 4031796, 5039745, 6719660, 10079490, 20158980]

約数ペア:

[(1, 20158980), (2, 10079490), (3, 6719660), (4, 5039745), (5, 4031796), (6, 3359830), (10, 2015898), (12, 1679915), (15, 1343932), (20, 1007949), (30, 671966), (60, 335983), (179, 112620), (358, 56310), (537, 37540), (716, 28155), (895, 22524), (1074, 18770), (1790, 11262), (1877, 10740), (2148, 9385), (2685, 7508), (3580, 5631), (3754, 5370)]