20809748384

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{107827}}^1$

素因数の和:108037

約数の個数: 48

約数和(自身を含む): 42334998048

約数和(自身を除く): 21525249664

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 163, 296, 326, 592, 652, 1184, 1304, 2608, 5216, 6031, 12062, 24124, 48248, 96496, 107827, 192992, 215654, 431308, 862616, 1725232, 3450464, 3989599, 7979198, 15958396, 17575801, 31916792, 35151602, 63833584, 70303204, 127667168, 140606408, 281212816, 562425632, 650304637, 1300609274, 2601218548, 5202437096, 10404874192, 20809748384]

約数ペア:

[(1, 20809748384), (2, 10404874192), (4, 5202437096), (8, 2601218548), (16, 1300609274), (32, 650304637), (37, 562425632), (74, 281212816), (148, 140606408), (163, 127667168), (296, 70303204), (326, 63833584), (592, 35151602), (652, 31916792), (1184, 17575801), (1304, 15958396), (2608, 7979198), (5216, 3989599), (6031, 3450464), (12062, 1725232), (24124, 862616), (48248, 431308), (96496, 215654), (107827, 192992)]