20584590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1193

約数の個数: 64

約数和(自身を含む): 54383616

約数和(自身を除く): 33799026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1123, 1222, 1410, 1833, 2246, 3055, 3369, 3666, 5615, 6110, 6738, 9165, 11230, 14599, 16845, 18330, 29198, 33690, 43797, 52781, 72995, 87594, 105562, 145990, 158343, 218985, 263905, 316686, 437970, 527810, 686153, 791715, 1372306, 1583430, 2058459, 3430765, 4116918, 6861530, 10292295, 20584590]

約数ペア:

[(1, 20584590), (2, 10292295), (3, 6861530), (5, 4116918), (6, 3430765), (10, 2058459), (13, 1583430), (15, 1372306), (26, 791715), (30, 686153), (39, 527810), (47, 437970), (65, 316686), (78, 263905), (94, 218985), (130, 158343), (141, 145990), (195, 105562), (235, 87594), (282, 72995), (390, 52781), (470, 43797), (611, 33690), (705, 29198), (1123, 18330), (1222, 16845), (1410, 14599), (1833, 11230), (2246, 9165), (3055, 6738), (3369, 6110), (3666, 5615)]