20298894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 51632640

約数和(自身を除く): 31333746

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 53, 66, 77, 106, 154, 159, 231, 318, 371, 462, 583, 742, 829, 1113, 1166, 1658, 1749, 2226, 2487, 3498, 4081, 4974, 5803, 8162, 9119, 11606, 12243, 17409, 18238, 24486, 27357, 34818, 43937, 54714, 63833, 87874, 127666, 131811, 191499, 263622, 307559, 382998, 483307, 615118, 922677, 966614, 1449921, 1845354, 2899842, 3383149, 6766298, 10149447, 20298894]

約数ペア:

[(1, 20298894), (2, 10149447), (3, 6766298), (6, 3383149), (7, 2899842), (11, 1845354), (14, 1449921), (21, 966614), (22, 922677), (33, 615118), (42, 483307), (53, 382998), (66, 307559), (77, 263622), (106, 191499), (154, 131811), (159, 127666), (231, 87874), (318, 63833), (371, 54714), (462, 43937), (583, 34818), (742, 27357), (829, 24486), (1113, 18238), (1166, 17409), (1658, 12243), (1749, 11606), (2226, 9119), (2487, 8162), (3498, 5803), (4081, 4974)]