20105680900

素因数分解:

$2^2\times 5^2\times {\mathrm{1303}}^1\times {\mathrm{154303}}^1$

素因数の和:155620

約数の個数: 36

約数和(自身を含む): 43663094272

約数和(自身を除く): 23557413372

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1303, 2606, 5212, 6515, 13030, 26060, 32575, 65150, 130300, 154303, 308606, 617212, 771515, 1543030, 3086060, 3857575, 7715150, 15430300, 201056809, 402113618, 804227236, 1005284045, 2010568090, 4021136180, 5026420225, 10052840450, 20105680900]

約数ペア:

[(1, 20105680900), (2, 10052840450), (4, 5026420225), (5, 4021136180), (10, 2010568090), (20, 1005284045), (25, 804227236), (50, 402113618), (100, 201056809), (1303, 15430300), (2606, 7715150), (5212, 3857575), (6515, 3086060), (13030, 1543030), (26060, 771515), (32575, 617212), (65150, 308606), (130300, 154303)]