16556020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 38476368

約数和(自身を除く): 21920348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1721, 1924, 2405, 3442, 4810, 6884, 8605, 9620, 17210, 22373, 34420, 44746, 63677, 89492, 111865, 127354, 223730, 254708, 318385, 447460, 636770, 827801, 1273540, 1655602, 3311204, 4139005, 8278010, 16556020]

約数ペア:

[(1, 16556020), (2, 8278010), (4, 4139005), (5, 3311204), (10, 1655602), (13, 1273540), (20, 827801), (26, 636770), (37, 447460), (52, 318385), (65, 254708), (74, 223730), (130, 127354), (148, 111865), (185, 89492), (260, 63677), (370, 44746), (481, 34420), (740, 22373), (962, 17210), (1721, 9620), (1924, 8605), (2405, 6884), (3442, 4810)]