20096816

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 40362000

約数和(自身を除く): 20265184

約数列:

[1, 2, 4, 8, 16, 59, 61, 118, 122, 236, 244, 349, 472, 488, 698, 944, 976, 1396, 2792, 3599, 5584, 7198, 14396, 20591, 21289, 28792, 41182, 42578, 57584, 82364, 85156, 164728, 170312, 329456, 340624, 1256051, 2512102, 5024204, 10048408, 20096816]

約数ペア:

[(1, 20096816), (2, 10048408), (4, 5024204), (8, 2512102), (16, 1256051), (59, 340624), (61, 329456), (118, 170312), (122, 164728), (236, 85156), (244, 82364), (349, 57584), (472, 42578), (488, 41182), (698, 28792), (944, 21289), (976, 20591), (1396, 14396), (2792, 7198), (3599, 5584)]