20670784

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 56

約数和(自身を含む): 43891200

約数和(自身を除く): 23220416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 152, 178, 191, 304, 356, 382, 608, 712, 764, 1216, 1424, 1528, 1691, 2848, 3056, 3382, 3629, 5696, 6112, 6764, 7258, 12224, 13528, 14516, 16999, 27056, 29032, 33998, 54112, 58064, 67996, 108224, 116128, 135992, 232256, 271984, 322981, 543968, 645962, 1087936, 1291924, 2583848, 5167696, 10335392, 20670784]

約数ペア:

[(1, 20670784), (2, 10335392), (4, 5167696), (8, 2583848), (16, 1291924), (19, 1087936), (32, 645962), (38, 543968), (64, 322981), (76, 271984), (89, 232256), (152, 135992), (178, 116128), (191, 108224), (304, 67996), (356, 58064), (382, 54112), (608, 33998), (712, 29032), (764, 27056), (1216, 16999), (1424, 14516), (1528, 13528), (1691, 12224), (2848, 7258), (3056, 6764), (3382, 6112), (3629, 5696)]