20956026

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5483}}^1$

素因数の和:5515

約数の個数: 48

約数和(自身を含む): 52514784

約数和(自身を除く): 31558758

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5483, 10966, 16449, 32898, 38381, 71279, 76762, 115143, 142558, 213837, 230286, 268667, 427674, 498953, 537334, 806001, 997906, 1496859, 1612002, 2993718, 3492671, 6985342, 10478013, 20956026]

約数ペア:

[(1, 20956026), (2, 10478013), (3, 6985342), (6, 3492671), (7, 2993718), (13, 1612002), (14, 1496859), (21, 997906), (26, 806001), (39, 537334), (42, 498953), (49, 427674), (78, 268667), (91, 230286), (98, 213837), (147, 142558), (182, 115143), (273, 76762), (294, 71279), (546, 38381), (637, 32898), (1274, 16449), (1911, 10966), (3822, 5483)]