20921296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4099}}^1$

素因数の和:4147

約数の個数: 40

約数和(自身を含む): 45756000

約数和(自身を除く): 24834704

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4099, 5104, 8198, 16396, 32792, 45089, 65584, 90178, 118871, 180356, 237742, 360712, 475484, 721424, 950968, 1307581, 1901936, 2615162, 5230324, 10460648, 20921296]

約数ペア:

[(1, 20921296), (2, 10460648), (4, 5230324), (8, 2615162), (11, 1901936), (16, 1307581), (22, 950968), (29, 721424), (44, 475484), (58, 360712), (88, 237742), (116, 180356), (176, 118871), (232, 90178), (319, 65584), (464, 45089), (638, 32792), (1276, 16396), (2552, 8198), (4099, 5104)]