20925070840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30772163}}^1$

素因数の和:30772191

約数の個数: 32

約数和(自身を含む): 49850905680

約数和(自身を除く): 28925834840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 30772163, 61544326, 123088652, 153860815, 246177304, 307721630, 523126771, 615443260, 1046253542, 1230886520, 2092507084, 2615633855, 4185014168, 5231267710, 10462535420, 20925070840]

約数ペア:

[(1, 20925070840), (2, 10462535420), (4, 5231267710), (5, 4185014168), (8, 2615633855), (10, 2092507084), (17, 1230886520), (20, 1046253542), (34, 615443260), (40, 523126771), (68, 307721630), (85, 246177304), (136, 153860815), (170, 123088652), (340, 61544326), (680, 30772163)]