20651688

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2957}}^1$

素因数の和:3066

約数の個数: 48

約数和(自身を含む): 56527380

約数和(自身を除く): 35875692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2957, 3492, 5914, 6984, 8871, 11828, 17742, 23656, 26613, 35484, 53226, 70968, 106452, 212904, 286829, 573658, 860487, 1147316, 1720974, 2294632, 2581461, 3441948, 5162922, 6883896, 10325844, 20651688]

約数ペア:

[(1, 20651688), (2, 10325844), (3, 6883896), (4, 5162922), (6, 3441948), (8, 2581461), (9, 2294632), (12, 1720974), (18, 1147316), (24, 860487), (36, 573658), (72, 286829), (97, 212904), (194, 106452), (291, 70968), (388, 53226), (582, 35484), (776, 26613), (873, 23656), (1164, 17742), (1746, 11828), (2328, 8871), (2957, 6984), (3492, 5914)]