20497952

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10501}}^1$

素因数の和:10572

約数の個数: 24

約数和(自身を含む): 41020812

約数和(自身を除く): 20522860

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10501, 21002, 42004, 84008, 168016, 336032, 640561, 1281122, 2562244, 5124488, 10248976, 20497952]

約数ペア:

[(1, 20497952), (2, 10248976), (4, 5124488), (8, 2562244), (16, 1281122), (32, 640561), (61, 336032), (122, 168016), (244, 84008), (488, 42004), (976, 21002), (1952, 10501)]