20161665605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{7867}}^1$

素因数の和:8453

約数の個数: 32

約数和(自身を含む): 26002166400

約数和(自身を除く): 5840500795

約数列:

[1, 5, 19, 53, 95, 265, 509, 1007, 2545, 5035, 7867, 9671, 26977, 39335, 48355, 134885, 149473, 416951, 512563, 747365, 2084755, 2562815, 4004303, 7922069, 20021515, 39610345, 76081757, 212228059, 380408785, 1061140295, 4032333121, 20161665605]

約数ペア:

[(1, 20161665605), (5, 4032333121), (19, 1061140295), (53, 380408785), (95, 212228059), (265, 76081757), (509, 39610345), (1007, 20021515), (2545, 7922069), (5035, 4004303), (7867, 2562815), (9671, 2084755), (26977, 747365), (39335, 512563), (48355, 416951), (134885, 149473)]