20885330

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 17605870

約数列:

[1, 2, 5, 10, 107, 131, 149, 214, 262, 298, 535, 655, 745, 1070, 1310, 1490, 14017, 15943, 19519, 28034, 31886, 39038, 70085, 79715, 97595, 140170, 159430, 195190, 2088533, 4177066, 10442665, 20885330]

約数ペア:

[(1, 20885330), (2, 10442665), (5, 4177066), (10, 2088533), (107, 195190), (131, 159430), (149, 140170), (214, 97595), (262, 79715), (298, 70085), (535, 39038), (655, 31886), (745, 28034), (1070, 19519), (1310, 15943), (1490, 14017)]