20420296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4789}}^1$

素因数の和:4849

約数の個数: 32

約数和(自身を含む): 42247800

約数和(自身を除く): 21827504

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4789, 9578, 19156, 38312, 62257, 124514, 196349, 249028, 392698, 498056, 785396, 1570792, 2552537, 5105074, 10210148, 20420296]

約数ペア:

[(1, 20420296), (2, 10210148), (4, 5105074), (8, 2552537), (13, 1570792), (26, 785396), (41, 498056), (52, 392698), (82, 249028), (104, 196349), (164, 124514), (328, 62257), (533, 38312), (1066, 19156), (2132, 9578), (4264, 4789)]