20096180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2089}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 46698960

約数和(自身を除く): 26602780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2089, 2405, 4178, 4810, 8356, 9620, 10445, 20890, 27157, 41780, 54314, 77293, 108628, 135785, 154586, 271570, 309172, 386465, 543140, 772930, 1004809, 1545860, 2009618, 4019236, 5024045, 10048090, 20096180]

約数ペア:

[(1, 20096180), (2, 10048090), (4, 5024045), (5, 4019236), (10, 2009618), (13, 1545860), (20, 1004809), (26, 772930), (37, 543140), (52, 386465), (65, 309172), (74, 271570), (130, 154586), (148, 135785), (185, 108628), (260, 77293), (370, 54314), (481, 41780), (740, 27157), (962, 20890), (1924, 10445), (2089, 9620), (2405, 8356), (4178, 4810)]