20925058520

素因数分解:

$2^3\times 5^1\times {\mathrm{10781}}^1\times {\mathrm{48523}}^1$

素因数の和:59315

約数の個数: 32

約数和(自身を含む): 47086719120

約数和(自身を除く): 26161660600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10781, 21562, 43124, 48523, 53905, 86248, 97046, 107810, 194092, 215620, 242615, 388184, 431240, 485230, 970460, 1940920, 523126463, 1046252926, 2092505852, 2615632315, 4185011704, 5231264630, 10462529260, 20925058520]

約数ペア:

[(1, 20925058520), (2, 10462529260), (4, 5231264630), (5, 4185011704), (8, 2615632315), (10, 2092505852), (20, 1046252926), (40, 523126463), (10781, 1940920), (21562, 970460), (43124, 485230), (48523, 431240), (53905, 388184), (86248, 242615), (97046, 215620), (107810, 194092)]