20395860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8291}}^1$

素因数の和:8344

約数の個数: 48

約数和(自身を含む): 58508352

約数和(自身を除く): 38112492

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, 8291, 16582, 24873, 33164, 41455, 49746, 82910, 99492, 124365, 165820, 248730, 339931, 497460, 679862, 1019793, 1359724, 1699655, 2039586, 3399310, 4079172, 5098965, 6798620, 10197930, 20395860]

約数ペア:

[(1, 20395860), (2, 10197930), (3, 6798620), (4, 5098965), (5, 4079172), (6, 3399310), (10, 2039586), (12, 1699655), (15, 1359724), (20, 1019793), (30, 679862), (41, 497460), (60, 339931), (82, 248730), (123, 165820), (164, 124365), (205, 99492), (246, 82910), (410, 49746), (492, 41455), (615, 33164), (820, 24873), (1230, 16582), (2460, 8291)]