20875728

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25583}}^1$

素因数の和:25611

約数の個数: 40

約数和(自身を含む): 57103488

約数和(自身を除く): 36227760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25583, 51166, 76749, 102332, 153498, 204664, 306996, 409328, 434911, 613992, 869822, 1227984, 1304733, 1739644, 2609466, 3479288, 5218932, 6958576, 10437864, 20875728]

約数ペア:

[(1, 20875728), (2, 10437864), (3, 6958576), (4, 5218932), (6, 3479288), (8, 2609466), (12, 1739644), (16, 1304733), (17, 1227984), (24, 869822), (34, 613992), (48, 434911), (51, 409328), (68, 306996), (102, 204664), (136, 153498), (204, 102332), (272, 76749), (408, 51166), (816, 25583)]