20635936

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 43235640

約数和(自身を除く): 22599704

約数列:

[1, 2, 4, 8, 16, 29, 32, 37, 58, 74, 116, 148, 232, 296, 464, 592, 601, 928, 1073, 1184, 1202, 2146, 2404, 4292, 4808, 8584, 9616, 17168, 17429, 19232, 22237, 34336, 34858, 44474, 69716, 88948, 139432, 177896, 278864, 355792, 557728, 644873, 711584, 1289746, 2579492, 5158984, 10317968, 20635936]

約数ペア:

[(1, 20635936), (2, 10317968), (4, 5158984), (8, 2579492), (16, 1289746), (29, 711584), (32, 644873), (37, 557728), (58, 355792), (74, 278864), (116, 177896), (148, 139432), (232, 88948), (296, 69716), (464, 44474), (592, 34858), (601, 34336), (928, 22237), (1073, 19232), (1184, 17429), (1202, 17168), (2146, 9616), (2404, 8584), (4292, 4808)]