20026480

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1447}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 46863072

約数和(自身を除く): 26836592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1447, 1730, 2768, 2894, 3460, 5788, 6920, 7235, 11576, 13840, 14470, 23152, 28940, 57880, 115760, 250331, 500662, 1001324, 1251655, 2002648, 2503310, 4005296, 5006620, 10013240, 20026480]

約数ペア:

[(1, 20026480), (2, 10013240), (4, 5006620), (5, 4005296), (8, 2503310), (10, 2002648), (16, 1251655), (20, 1001324), (40, 500662), (80, 250331), (173, 115760), (346, 57880), (692, 28940), (865, 23152), (1384, 14470), (1447, 13840), (1730, 11576), (2768, 7235), (2894, 6920), (3460, 5788)]