20148479968

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{521657}}^1$

素因数の和:521755

約数の個数: 48

約数和(自身を含む): 42592332384

約数和(自身を除く): 22443852416

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 2272, 2414, 4828, 9656, 19312, 38624, 521657, 1043314, 2086628, 4173256, 8346512, 8868169, 16693024, 17736338, 35472676, 37037647, 70945352, 74075294, 141890704, 148150588, 283781408, 296301176, 592602352, 629639999, 1185204704, 1259279998, 2518559996, 5037119992, 10074239984, 20148479968]

約数ペア:

[(1, 20148479968), (2, 10074239984), (4, 5037119992), (8, 2518559996), (16, 1259279998), (17, 1185204704), (32, 629639999), (34, 592602352), (68, 296301176), (71, 283781408), (136, 148150588), (142, 141890704), (272, 74075294), (284, 70945352), (544, 37037647), (568, 35472676), (1136, 17736338), (1207, 16693024), (2272, 8868169), (2414, 8346512), (4828, 4173256), (9656, 2086628), (19312, 1043314), (38624, 521657)]