20925648

素因数分解:

$2^4\times 3^3\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:897

約数の個数: 80

約数和(自身を含む): 61156800

約数和(自身を除く): 40231152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 59, 72, 108, 118, 144, 177, 216, 236, 354, 432, 472, 531, 708, 821, 944, 1062, 1416, 1593, 1642, 2124, 2463, 2832, 3186, 3284, 4248, 4926, 6372, 6568, 7389, 8496, 9852, 12744, 13136, 14778, 19704, 22167, 25488, 29556, 39408, 44334, 48439, 59112, 88668, 96878, 118224, 145317, 177336, 193756, 290634, 354672, 387512, 435951, 581268, 775024, 871902, 1162536, 1307853, 1743804, 2325072, 2615706, 3487608, 5231412, 6975216, 10462824, 20925648]

約数ペア:

[(1, 20925648), (2, 10462824), (3, 6975216), (4, 5231412), (6, 3487608), (8, 2615706), (9, 2325072), (12, 1743804), (16, 1307853), (18, 1162536), (24, 871902), (27, 775024), (36, 581268), (48, 435951), (54, 387512), (59, 354672), (72, 290634), (108, 193756), (118, 177336), (144, 145317), (177, 118224), (216, 96878), (236, 88668), (354, 59112), (432, 48439), (472, 44334), (531, 39408), (708, 29556), (821, 25488), (944, 22167), (1062, 19704), (1416, 14778), (1593, 13136), (1642, 12744), (2124, 9852), (2463, 8496), (2832, 7389), (3186, 6568), (3284, 6372), (4248, 4926)]