20938218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10607}}^1$

素因数の和:10666

約数の個数: 32

約数和(自身を含む): 48881664

約数和(自身を除く): 27943446

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 10607, 21214, 31821, 63642, 74249, 148498, 222747, 445494, 498529, 997058, 1495587, 2991174, 3489703, 6979406, 10469109, 20938218]

約数ペア:

[(1, 20938218), (2, 10469109), (3, 6979406), (6, 3489703), (7, 2991174), (14, 1495587), (21, 997058), (42, 498529), (47, 445494), (94, 222747), (141, 148498), (282, 74249), (329, 63642), (658, 31821), (987, 21214), (1974, 10607)]