20596420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 47860848

約数和(自身を除く): 27264428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2141, 2405, 4282, 4810, 8564, 9620, 10705, 21410, 27833, 42820, 55666, 79217, 111332, 139165, 158434, 278330, 316868, 396085, 556660, 792170, 1029821, 1584340, 2059642, 4119284, 5149105, 10298210, 20596420]

約数ペア:

[(1, 20596420), (2, 10298210), (4, 5149105), (5, 4119284), (10, 2059642), (13, 1584340), (20, 1029821), (26, 792170), (37, 556660), (52, 396085), (65, 316868), (74, 278330), (130, 158434), (148, 139165), (185, 111332), (260, 79217), (370, 55666), (481, 42820), (740, 27833), (962, 21410), (1924, 10705), (2141, 9620), (2405, 8564), (4282, 4810)]