20567492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 40830720

約数和(自身を除く): 20263228

約数列:

[1, 2, 4, 11, 22, 44, 61, 79, 97, 122, 158, 194, 244, 316, 388, 671, 869, 1067, 1342, 1738, 2134, 2684, 3476, 4268, 4819, 5917, 7663, 9638, 11834, 15326, 19276, 23668, 30652, 53009, 65087, 84293, 106018, 130174, 168586, 212036, 260348, 337172, 467443, 934886, 1869772, 5141873, 10283746, 20567492]

約数ペア:

[(1, 20567492), (2, 10283746), (4, 5141873), (11, 1869772), (22, 934886), (44, 467443), (61, 337172), (79, 260348), (97, 212036), (122, 168586), (158, 130174), (194, 106018), (244, 84293), (316, 65087), (388, 53009), (671, 30652), (869, 23668), (1067, 19276), (1342, 15326), (1738, 11834), (2134, 9638), (2684, 7663), (3476, 5917), (4268, 4819)]