20169620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 44634240

約数和(自身を除く): 24464620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 269, 326, 460, 538, 652, 815, 1076, 1345, 1630, 2690, 3260, 3749, 5380, 6187, 7498, 12374, 14996, 18745, 24748, 30935, 37490, 43847, 61870, 74980, 87694, 123740, 175388, 219235, 438470, 876940, 1008481, 2016962, 4033924, 5042405, 10084810, 20169620]

約数ペア:

[(1, 20169620), (2, 10084810), (4, 5042405), (5, 4033924), (10, 2016962), (20, 1008481), (23, 876940), (46, 438470), (92, 219235), (115, 175388), (163, 123740), (230, 87694), (269, 74980), (326, 61870), (460, 43847), (538, 37490), (652, 30935), (815, 24748), (1076, 18745), (1345, 14996), (1630, 12374), (2690, 7498), (3260, 6187), (3749, 5380)]