20745408

素因数分解:

$2^6\times 3^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:829

約数の個数: 56

約数和(自身を含む): 55302912

約数和(自身を除く): 34557504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 167, 192, 334, 501, 647, 668, 1002, 1294, 1336, 1941, 2004, 2588, 2672, 3882, 4008, 5176, 5344, 7764, 8016, 10352, 10688, 15528, 16032, 20704, 31056, 32064, 41408, 62112, 108049, 124224, 216098, 324147, 432196, 648294, 864392, 1296588, 1728784, 2593176, 3457568, 5186352, 6915136, 10372704, 20745408]

約数ペア:

[(1, 20745408), (2, 10372704), (3, 6915136), (4, 5186352), (6, 3457568), (8, 2593176), (12, 1728784), (16, 1296588), (24, 864392), (32, 648294), (48, 432196), (64, 324147), (96, 216098), (167, 124224), (192, 108049), (334, 62112), (501, 41408), (647, 32064), (668, 31056), (1002, 20704), (1294, 16032), (1336, 15528), (1941, 10688), (2004, 10352), (2588, 8016), (2672, 7764), (3882, 5344), (4008, 5176)]