20442900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 59933664

約数和(自身を除く): 39490764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 150, 166, 249, 300, 332, 415, 498, 821, 830, 996, 1245, 1642, 1660, 2075, 2463, 2490, 3284, 4105, 4150, 4926, 4980, 6225, 8210, 8300, 9852, 12315, 12450, 16420, 20525, 24630, 24900, 41050, 49260, 61575, 68143, 82100, 123150, 136286, 204429, 246300, 272572, 340715, 408858, 681430, 817716, 1022145, 1362860, 1703575, 2044290, 3407150, 4088580, 5110725, 6814300, 10221450, 20442900]

約数ペア:

[(1, 20442900), (2, 10221450), (3, 6814300), (4, 5110725), (5, 4088580), (6, 3407150), (10, 2044290), (12, 1703575), (15, 1362860), (20, 1022145), (25, 817716), (30, 681430), (50, 408858), (60, 340715), (75, 272572), (83, 246300), (100, 204429), (150, 136286), (166, 123150), (249, 82100), (300, 68143), (332, 61575), (415, 49260), (498, 41050), (821, 24900), (830, 24630), (996, 20525), (1245, 16420), (1642, 12450), (1660, 12315), (2075, 9852), (2463, 8300), (2490, 8210), (3284, 6225), (4105, 4980), (4150, 4926)]