20735316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 39805164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 749, 769, 963, 1284, 1498, 1538, 1926, 2247, 2307, 2996, 3076, 3852, 4494, 4614, 5383, 6741, 6921, 8988, 9228, 10766, 13482, 13842, 16149, 21532, 26964, 27684, 32298, 48447, 64596, 82283, 96894, 164566, 193788, 246849, 329132, 493698, 575981, 740547, 987396, 1151962, 1481094, 1727943, 2303924, 2962188, 3455886, 5183829, 6911772, 10367658, 20735316]

約数ペア:

[(1, 20735316), (2, 10367658), (3, 6911772), (4, 5183829), (6, 3455886), (7, 2962188), (9, 2303924), (12, 1727943), (14, 1481094), (18, 1151962), (21, 987396), (28, 740547), (36, 575981), (42, 493698), (63, 329132), (84, 246849), (107, 193788), (126, 164566), (214, 96894), (252, 82283), (321, 64596), (428, 48447), (642, 32298), (749, 27684), (769, 26964), (963, 21532), (1284, 16149), (1498, 13842), (1538, 13482), (1926, 10766), (2247, 9228), (2307, 8988), (2996, 6921), (3076, 6741), (3852, 5383), (4494, 4614)]