20672432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1701

約数の個数: 40

約数和(自身を含む): 44320080

約数和(自身を除く): 23647648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1606, 1609, 3212, 3218, 6424, 6436, 12848, 12872, 17699, 25744, 35398, 70796, 117457, 141592, 234914, 283184, 469828, 939656, 1292027, 1879312, 2584054, 5168108, 10336216, 20672432]

約数ペア:

[(1, 20672432), (2, 10336216), (4, 5168108), (8, 2584054), (11, 1879312), (16, 1292027), (22, 939656), (44, 469828), (73, 283184), (88, 234914), (146, 141592), (176, 117457), (292, 70796), (584, 35398), (803, 25744), (1168, 17699), (1606, 12872), (1609, 12848), (3212, 6436), (3218, 6424)]