20185528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 24293192

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 103, 131, 136, 187, 206, 262, 374, 412, 524, 748, 824, 1048, 1133, 1441, 1496, 1751, 2227, 2266, 2882, 3502, 4454, 4532, 5764, 7004, 8908, 9064, 11528, 13493, 14008, 17816, 19261, 24497, 26986, 38522, 48994, 53972, 77044, 97988, 107944, 148423, 154088, 195976, 229381, 296846, 458762, 593692, 917524, 1187384, 1835048, 2523191, 5046382, 10092764, 20185528]

約数ペア:

[(1, 20185528), (2, 10092764), (4, 5046382), (8, 2523191), (11, 1835048), (17, 1187384), (22, 917524), (34, 593692), (44, 458762), (68, 296846), (88, 229381), (103, 195976), (131, 154088), (136, 148423), (187, 107944), (206, 97988), (262, 77044), (374, 53972), (412, 48994), (524, 38522), (748, 26986), (824, 24497), (1048, 19261), (1133, 17816), (1441, 14008), (1496, 13493), (1751, 11528), (2227, 9064), (2266, 8908), (2882, 7004), (3502, 5764), (4454, 4532)]