20115431175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{891049}}^1$

素因数の和:891112

約数の個数: 48

約数和(自身を含む): 38892550400

約数和(自身を除く): 18777119225

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3225, 4515, 7525, 22575, 891049, 2673147, 4455245, 6237343, 13365735, 18712029, 22276225, 31186715, 38315107, 66828675, 93560145, 114945321, 155933575, 191575535, 268205749, 467800725, 574726605, 804617247, 957877675, 1341028745, 2873633025, 4023086235, 6705143725, 20115431175]

約数ペア:

[(1, 20115431175), (3, 6705143725), (5, 4023086235), (7, 2873633025), (15, 1341028745), (21, 957877675), (25, 804617247), (35, 574726605), (43, 467800725), (75, 268205749), (105, 191575535), (129, 155933575), (175, 114945321), (215, 93560145), (301, 66828675), (525, 38315107), (645, 31186715), (903, 22276225), (1075, 18712029), (1505, 13365735), (3225, 6237343), (4515, 4455245), (7525, 2673147), (22575, 891049)]