20171627620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16534121}}^1$

素因数の和:16534191

約数の個数: 24

約数和(自身を含む): 43054853688

約数和(自身を除く): 22883226068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16534121, 33068242, 66136484, 82670605, 165341210, 330682420, 1008581381, 2017162762, 4034325524, 5042906905, 10085813810, 20171627620]

約数ペア:

[(1, 20171627620), (2, 10085813810), (4, 5042906905), (5, 4034325524), (10, 2017162762), (20, 1008581381), (61, 330682420), (122, 165341210), (244, 82670605), (305, 66136484), (610, 33068242), (1220, 16534121)]