20057908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 40078080

約数和(自身を除く): 20020172

約数列:

[1, 2, 4, 13, 26, 29, 47, 52, 58, 94, 116, 188, 283, 377, 566, 611, 754, 1132, 1222, 1363, 1508, 2444, 2726, 3679, 5452, 7358, 8207, 13301, 14716, 16414, 17719, 26602, 32828, 35438, 53204, 70876, 106691, 172913, 213382, 345826, 385729, 426764, 691652, 771458, 1542916, 5014477, 10028954, 20057908]

約数ペア:

[(1, 20057908), (2, 10028954), (4, 5014477), (13, 1542916), (26, 771458), (29, 691652), (47, 426764), (52, 385729), (58, 345826), (94, 213382), (116, 172913), (188, 106691), (283, 70876), (377, 53204), (566, 35438), (611, 32828), (754, 26602), (1132, 17719), (1222, 16414), (1363, 14716), (1508, 13301), (2444, 8207), (2726, 7358), (3679, 5452)]