20289102

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 41658624

約数和(自身を除く): 21369522

約数列:

[1, 2, 3, 6, 71, 97, 142, 194, 213, 291, 426, 491, 582, 982, 1473, 2946, 6887, 13774, 20661, 34861, 41322, 47627, 69722, 95254, 104583, 142881, 209166, 285762, 3381517, 6763034, 10144551, 20289102]

約数ペア:

[(1, 20289102), (2, 10144551), (3, 6763034), (6, 3381517), (71, 285762), (97, 209166), (142, 142881), (194, 104583), (213, 95254), (291, 69722), (426, 47627), (491, 41322), (582, 34861), (982, 20661), (1473, 13774), (2946, 6887)]