20216948260

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1\times {\mathrm{14009}}^1$

素因数の和:15300

約数の個数: 48

約数和(自身を含む): 43213564800

約数和(自身を除く): 22996616540

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 1223, 2446, 4892, 6115, 12230, 14009, 24460, 28018, 56036, 70045, 72157, 140090, 144314, 280180, 288628, 360785, 721570, 826531, 1443140, 1653062, 3306124, 4132655, 8265310, 16530620, 17133007, 34266014, 68532028, 85665035, 171330070, 342660140, 1010847413, 2021694826, 4043389652, 5054237065, 10108474130, 20216948260]

約数ペア:

[(1, 20216948260), (2, 10108474130), (4, 5054237065), (5, 4043389652), (10, 2021694826), (20, 1010847413), (59, 342660140), (118, 171330070), (236, 85665035), (295, 68532028), (590, 34266014), (1180, 17133007), (1223, 16530620), (2446, 8265310), (4892, 4132655), (6115, 3306124), (12230, 1653062), (14009, 1443140), (24460, 826531), (28018, 721570), (56036, 360785), (70045, 288628), (72157, 280180), (140090, 144314)]