20343792020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1699}}^1\times {\mathrm{3673}}^1$

素因数の和:5544

約数の個数: 48

約数和(自身を含む): 43021070400

約数和(自身を除く): 22677278380

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 1699, 3260, 3398, 3673, 6796, 7346, 8495, 14692, 16990, 18365, 33980, 36730, 73460, 276937, 553874, 598699, 1107748, 1197398, 1384685, 2394796, 2769370, 2993495, 5538740, 5986990, 6240427, 11973980, 12480854, 24961708, 31202135, 62404270, 124808540, 1017189601, 2034379202, 4068758404, 5085948005, 10171896010, 20343792020]

約数ペア:

[(1, 20343792020), (2, 10171896010), (4, 5085948005), (5, 4068758404), (10, 2034379202), (20, 1017189601), (163, 124808540), (326, 62404270), (652, 31202135), (815, 24961708), (1630, 12480854), (1699, 11973980), (3260, 6240427), (3398, 5986990), (3673, 5538740), (6796, 2993495), (7346, 2769370), (8495, 2394796), (14692, 1384685), (16990, 1197398), (18365, 1107748), (33980, 598699), (36730, 553874), (73460, 276937)]