20159898

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 46061568

約数和(自身を除く): 25901670

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 67, 94, 97, 134, 141, 194, 201, 282, 291, 402, 517, 582, 737, 1034, 1067, 1474, 1551, 2134, 2211, 3102, 3149, 3201, 4422, 4559, 6298, 6402, 6499, 9118, 9447, 12998, 13677, 18894, 19497, 27354, 34639, 38994, 50149, 69278, 71489, 100298, 103917, 142978, 150447, 207834, 214467, 300894, 305453, 428934, 610906, 916359, 1832718, 3359983, 6719966, 10079949, 20159898]

約数ペア:

[(1, 20159898), (2, 10079949), (3, 6719966), (6, 3359983), (11, 1832718), (22, 916359), (33, 610906), (47, 428934), (66, 305453), (67, 300894), (94, 214467), (97, 207834), (134, 150447), (141, 142978), (194, 103917), (201, 100298), (282, 71489), (291, 69278), (402, 50149), (517, 38994), (582, 34639), (737, 27354), (1034, 19497), (1067, 18894), (1474, 13677), (1551, 12998), (2134, 9447), (2211, 9118), (3102, 6499), (3149, 6402), (3201, 6298), (4422, 4559)]