20199366831

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{221477}}^1$

素因数の和:221631

約数の個数: 32

約数和(自身を含む): 31807784448

約数和(自身を除く): 11608417617

約数列:

[1, 3, 7, 21, 43, 101, 129, 301, 303, 707, 903, 2121, 4343, 13029, 30401, 91203, 221477, 664431, 1550339, 4651017, 9523511, 22369177, 28570533, 66664577, 67107531, 156584239, 199993731, 469752717, 961874611, 2885623833, 6733122277, 20199366831]

約数ペア:

[(1, 20199366831), (3, 6733122277), (7, 2885623833), (21, 961874611), (43, 469752717), (101, 199993731), (129, 156584239), (301, 67107531), (303, 66664577), (707, 28570533), (903, 22369177), (2121, 9523511), (4343, 4651017), (13029, 1550339), (30401, 664431), (91203, 221477)]