20893548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2086

約数の個数: 48

約数和(自身を含む): 53312000

約数和(自身を除く): 32418452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 1999, 2613, 3484, 3998, 5226, 5997, 7996, 10452, 11994, 23988, 25987, 51974, 77961, 103948, 133933, 155922, 267866, 311844, 401799, 535732, 803598, 1607196, 1741129, 3482258, 5223387, 6964516, 10446774, 20893548]

約数ペア:

[(1, 20893548), (2, 10446774), (3, 6964516), (4, 5223387), (6, 3482258), (12, 1741129), (13, 1607196), (26, 803598), (39, 535732), (52, 401799), (67, 311844), (78, 267866), (134, 155922), (156, 133933), (201, 103948), (268, 77961), (402, 51974), (804, 25987), (871, 23988), (1742, 11994), (1999, 10452), (2613, 7996), (3484, 5997), (3998, 5226)]