20144501990

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{811}}^1\times {\mathrm{3863}}^1$

素因数の和:5324

約数の個数: 32

約数和(自身を含む): 36370688256

約数和(自身を除く): 16226186266

約数列:

[1, 2, 5, 10, 643, 811, 1286, 1622, 3215, 3863, 4055, 6430, 7726, 8110, 19315, 38630, 521473, 1042946, 2483909, 2607365, 3132893, 4967818, 5214730, 6265786, 12419545, 15664465, 24839090, 31328930, 2014450199, 4028900398, 10072250995, 20144501990]

約数ペア:

[(1, 20144501990), (2, 10072250995), (5, 4028900398), (10, 2014450199), (643, 31328930), (811, 24839090), (1286, 15664465), (1622, 12419545), (3215, 6265786), (3863, 5214730), (4055, 4967818), (6430, 3132893), (7726, 2607365), (8110, 2483909), (19315, 1042946), (38630, 521473)]