20382726

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5333}}^1$

素因数の和:5365

約数の個数: 48

約数和(自身を含む): 51078384

約数和(自身を除く): 30695658

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, 5333, 10666, 15999, 31998, 37331, 69329, 74662, 111993, 138658, 207987, 223986, 261317, 415974, 485303, 522634, 783951, 970606, 1455909, 1567902, 2911818, 3397121, 6794242, 10191363, 20382726]

約数ペア:

[(1, 20382726), (2, 10191363), (3, 6794242), (6, 3397121), (7, 2911818), (13, 1567902), (14, 1455909), (21, 970606), (26, 783951), (39, 522634), (42, 485303), (49, 415974), (78, 261317), (91, 223986), (98, 207987), (147, 138658), (182, 111993), (273, 74662), (294, 69329), (546, 37331), (637, 31998), (1274, 15999), (1911, 10666), (3822, 5333)]