20295416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20528584

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 1889, 2686, 3778, 5372, 7556, 10744, 15112, 32113, 64226, 128452, 149231, 256904, 298462, 596924, 1193848, 2536927, 5073854, 10147708, 20295416]

約数ペア:

[(1, 20295416), (2, 10147708), (4, 5073854), (8, 2536927), (17, 1193848), (34, 596924), (68, 298462), (79, 256904), (136, 149231), (158, 128452), (316, 64226), (632, 32113), (1343, 15112), (1889, 10744), (2686, 7556), (3778, 5372)]