20565380992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12359003}}^1$

素因数の和:12359030

約数の個数: 32

約数和(自身を含む): 44121644280

約数和(自身を除く): 23556263288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12359003, 24718006, 49436012, 98872024, 160667039, 197744048, 321334078, 395488096, 642668156, 790976192, 1285336312, 1581952384, 2570672624, 5141345248, 10282690496, 20565380992]

約数ペア:

[(1, 20565380992), (2, 10282690496), (4, 5141345248), (8, 2570672624), (13, 1581952384), (16, 1285336312), (26, 790976192), (32, 642668156), (52, 395488096), (64, 321334078), (104, 197744048), (128, 160667039), (208, 98872024), (416, 49436012), (832, 24718006), (1664, 12359003)]