20271801615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{211727}}^1$

素因数の和:212239

約数の個数: 32

約数和(自身を含む): 35001179136

約数和(自身を除く): 14729377521

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 491, 1473, 2455, 6383, 7365, 19149, 31915, 95745, 211727, 635181, 1058635, 2752451, 3175905, 8257353, 13762255, 41286765, 103957957, 311873871, 519789785, 1351453441, 1559369355, 4054360323, 6757267205, 20271801615]

約数ペア:

[(1, 20271801615), (3, 6757267205), (5, 4054360323), (13, 1559369355), (15, 1351453441), (39, 519789785), (65, 311873871), (195, 103957957), (491, 41286765), (1473, 13762255), (2455, 8257353), (6383, 3175905), (7365, 2752451), (19149, 1058635), (31915, 635181), (95745, 211727)]