20591454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 48009024

約数和(自身を除く): 27417570

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 53, 78, 102, 106, 159, 221, 293, 318, 442, 586, 663, 689, 879, 901, 1326, 1378, 1758, 1802, 2067, 2703, 3809, 4134, 4981, 5406, 7618, 9962, 11427, 11713, 14943, 15529, 22854, 23426, 29886, 31058, 35139, 46587, 64753, 70278, 93174, 129506, 194259, 201877, 263993, 388518, 403754, 527986, 605631, 791979, 1211262, 1583958, 3431909, 6863818, 10295727, 20591454]

約数ペア:

[(1, 20591454), (2, 10295727), (3, 6863818), (6, 3431909), (13, 1583958), (17, 1211262), (26, 791979), (34, 605631), (39, 527986), (51, 403754), (53, 388518), (78, 263993), (102, 201877), (106, 194259), (159, 129506), (221, 93174), (293, 70278), (318, 64753), (442, 46587), (586, 35139), (663, 31058), (689, 29886), (879, 23426), (901, 22854), (1326, 15529), (1378, 14943), (1758, 11713), (1802, 11427), (2067, 9962), (2703, 7618), (3809, 5406), (4134, 4981)]