20280003555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{23789}}^1$

素因数の和:24180

約数の個数: 64

約数和(自身を含む): 38807009280

約数和(自身を除く): 18527005725

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 353, 483, 805, 1059, 1765, 2415, 2471, 5295, 7413, 8119, 12355, 23789, 24357, 37065, 40595, 56833, 71367, 118945, 121785, 166523, 170499, 284165, 356835, 499569, 547147, 832615, 852495, 1641441, 2497845, 2735735, 3830029, 8207205, 8397517, 11490087, 19150145, 25192551, 41987585, 57450435, 58782619, 125962755, 176347857, 193142891, 293913095, 579428673, 881739285, 965714455, 1352000237, 2897143365, 4056000711, 6760001185, 20280003555]

約数ペア:

[(1, 20280003555), (3, 6760001185), (5, 4056000711), (7, 2897143365), (15, 1352000237), (21, 965714455), (23, 881739285), (35, 579428673), (69, 293913095), (105, 193142891), (115, 176347857), (161, 125962755), (345, 58782619), (353, 57450435), (483, 41987585), (805, 25192551), (1059, 19150145), (1765, 11490087), (2415, 8397517), (2471, 8207205), (5295, 3830029), (7413, 2735735), (8119, 2497845), (12355, 1641441), (23789, 852495), (24357, 832615), (37065, 547147), (40595, 499569), (56833, 356835), (71367, 284165), (118945, 170499), (121785, 166523)]