20038460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2083}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 46564896

約数和(自身を除く): 26526436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2083, 2405, 4166, 4810, 8332, 9620, 10415, 20830, 27079, 41660, 54158, 77071, 108316, 135395, 154142, 270790, 308284, 385355, 541580, 770710, 1001923, 1541420, 2003846, 4007692, 5009615, 10019230, 20038460]

約数ペア:

[(1, 20038460), (2, 10019230), (4, 5009615), (5, 4007692), (10, 2003846), (13, 1541420), (20, 1001923), (26, 770710), (37, 541580), (52, 385355), (65, 308284), (74, 270790), (130, 154142), (148, 135395), (185, 108316), (260, 77071), (370, 54158), (481, 41660), (740, 27079), (962, 20830), (1924, 10415), (2083, 9620), (2405, 8332), (4166, 4810)]