20120804907

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{181019}}^1$

素因数の和:181175

約数の個数: 32

約数和(自身を含む): 31511961600

約数和(自身を除く): 11391156693

約数列:

[1, 3, 7, 21, 67, 79, 201, 237, 469, 553, 1407, 1659, 5293, 15879, 37051, 111153, 181019, 543057, 1267133, 3801399, 12128273, 14300501, 36384819, 42901503, 84897911, 100103507, 254693733, 300310521, 958133567, 2874400701, 6706934969, 20120804907]

約数ペア:

[(1, 20120804907), (3, 6706934969), (7, 2874400701), (21, 958133567), (67, 300310521), (79, 254693733), (201, 100103507), (237, 84897911), (469, 42901503), (553, 36384819), (1407, 14300501), (1659, 12128273), (5293, 3801399), (15879, 1267133), (37051, 543057), (111153, 181019)]