20859570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5653}}^1$

素因数の和:5707

約数の個数: 48

約数和(自身を含む): 55567512

約数和(自身を除く): 34707942

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5653, 11306, 16959, 28265, 33918, 50877, 56530, 84795, 101754, 169590, 231773, 254385, 463546, 508770, 695319, 1158865, 1390638, 2085957, 2317730, 3476595, 4171914, 6953190, 10429785, 20859570]

約数ペア:

[(1, 20859570), (2, 10429785), (3, 6953190), (5, 4171914), (6, 3476595), (9, 2317730), (10, 2085957), (15, 1390638), (18, 1158865), (30, 695319), (41, 508770), (45, 463546), (82, 254385), (90, 231773), (123, 169590), (205, 101754), (246, 84795), (369, 56530), (410, 50877), (615, 33918), (738, 28265), (1230, 16959), (1845, 11306), (3690, 5653)]