20124807580

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1361}}^1\times {\mathrm{3257}}^1$

素因数の和:4854

約数の個数: 48

約数和(自身を含む): 42492504096

約数和(自身を除く): 22367696516

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 1361, 2270, 2722, 3257, 4540, 5444, 6514, 6805, 13028, 13610, 16285, 27220, 32570, 65140, 308947, 617894, 739339, 1235788, 1478678, 1544735, 2957356, 3089470, 3696695, 4432777, 6178940, 7393390, 8865554, 14786780, 17731108, 22163885, 44327770, 88655540, 1006240379, 2012480758, 4024961516, 5031201895, 10062403790, 20124807580]

約数ペア:

[(1, 20124807580), (2, 10062403790), (4, 5031201895), (5, 4024961516), (10, 2012480758), (20, 1006240379), (227, 88655540), (454, 44327770), (908, 22163885), (1135, 17731108), (1361, 14786780), (2270, 8865554), (2722, 7393390), (3257, 6178940), (4540, 4432777), (5444, 3696695), (6514, 3089470), (6805, 2957356), (13028, 1544735), (13610, 1478678), (16285, 1235788), (27220, 739339), (32570, 617894), (65140, 308947)]