20043952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 41850000

約数和(自身を除く): 21806048

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1249, 2006, 2498, 4012, 4996, 8024, 9992, 16048, 19984, 21233, 42466, 73691, 84932, 147382, 169864, 294764, 339728, 589528, 1179056, 1252747, 2505494, 5010988, 10021976, 20043952]

約数ペア:

[(1, 20043952), (2, 10021976), (4, 5010988), (8, 2505494), (16, 1252747), (17, 1179056), (34, 589528), (59, 339728), (68, 294764), (118, 169864), (136, 147382), (236, 84932), (272, 73691), (472, 42466), (944, 21233), (1003, 19984), (1249, 16048), (2006, 9992), (2498, 8024), (4012, 4996)]