20617532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 41785632

約数和(自身を除く): 21168100

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 83, 166, 221, 281, 332, 442, 562, 884, 1079, 1124, 1411, 2158, 2822, 3653, 4316, 4777, 5644, 7306, 9554, 14612, 18343, 19108, 23323, 36686, 46646, 62101, 73372, 93292, 124202, 248404, 303199, 396491, 606398, 792982, 1212796, 1585964, 5154383, 10308766, 20617532]

約数ペア:

[(1, 20617532), (2, 10308766), (4, 5154383), (13, 1585964), (17, 1212796), (26, 792982), (34, 606398), (52, 396491), (68, 303199), (83, 248404), (166, 124202), (221, 93292), (281, 73372), (332, 62101), (442, 46646), (562, 36686), (884, 23323), (1079, 19108), (1124, 18343), (1411, 14612), (2158, 9554), (2822, 7306), (3653, 5644), (4316, 4777)]