20781646256

素因数分解:

$2^4\times 7^1\times {\mathrm{3137}}^1\times {\mathrm{59149}}^1$

素因数の和:62301

約数の個数: 40

約数和(自身を含む): 46031949600

約数和(自身を除く): 25250303344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3137, 6274, 12548, 21959, 25096, 43918, 50192, 59149, 87836, 118298, 175672, 236596, 351344, 414043, 473192, 828086, 946384, 1656172, 3312344, 6624688, 185550413, 371100826, 742201652, 1298852891, 1484403304, 2597705782, 2968806608, 5195411564, 10390823128, 20781646256]

約数ペア:

[(1, 20781646256), (2, 10390823128), (4, 5195411564), (7, 2968806608), (8, 2597705782), (14, 1484403304), (16, 1298852891), (28, 742201652), (56, 371100826), (112, 185550413), (3137, 6624688), (6274, 3312344), (12548, 1656172), (21959, 946384), (25096, 828086), (43918, 473192), (50192, 414043), (59149, 351344), (87836, 236596), (118298, 175672)]