20172456

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 56990400

約数和(自身を除く): 36817944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1531, 1647, 2196, 3062, 3294, 4392, 4593, 6124, 6588, 9186, 12248, 13176, 13779, 18372, 27558, 36744, 41337, 55116, 82674, 93391, 110232, 165348, 186782, 280173, 330696, 373564, 560346, 747128, 840519, 1120692, 1681038, 2241384, 2521557, 3362076, 5043114, 6724152, 10086228, 20172456]

約数ペア:

[(1, 20172456), (2, 10086228), (3, 6724152), (4, 5043114), (6, 3362076), (8, 2521557), (9, 2241384), (12, 1681038), (18, 1120692), (24, 840519), (27, 747128), (36, 560346), (54, 373564), (61, 330696), (72, 280173), (108, 186782), (122, 165348), (183, 110232), (216, 93391), (244, 82674), (366, 55116), (488, 41337), (549, 36744), (732, 27558), (1098, 18372), (1464, 13779), (1531, 13176), (1647, 12248), (2196, 9186), (3062, 6588), (3294, 6124), (4392, 4593)]