20789624

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 40249440

約数和(自身を除く): 19459816

約数列:

[1, 2, 4, 8, 41, 82, 164, 241, 263, 328, 482, 526, 964, 1052, 1928, 2104, 9881, 10783, 19762, 21566, 39524, 43132, 63383, 79048, 86264, 126766, 253532, 507064, 2598703, 5197406, 10394812, 20789624]

約数ペア:

[(1, 20789624), (2, 10394812), (4, 5197406), (8, 2598703), (41, 507064), (82, 253532), (164, 126766), (241, 86264), (263, 79048), (328, 63383), (482, 43132), (526, 39524), (964, 21566), (1052, 19762), (1928, 10783), (2104, 9881)]