20237958

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 28791162

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 127, 227, 234, 254, 351, 381, 454, 681, 702, 762, 1143, 1362, 1651, 2043, 2286, 2951, 3302, 3429, 4086, 4953, 5902, 6129, 6858, 8853, 9906, 12258, 14859, 17706, 26559, 28829, 29718, 44577, 53118, 57658, 79677, 86487, 89154, 159354, 172974, 259461, 374777, 518922, 749554, 778383, 1124331, 1556766, 2248662, 3372993, 6745986, 10118979, 20237958]

約数ペア:

[(1, 20237958), (2, 10118979), (3, 6745986), (6, 3372993), (9, 2248662), (13, 1556766), (18, 1124331), (26, 778383), (27, 749554), (39, 518922), (54, 374777), (78, 259461), (117, 172974), (127, 159354), (227, 89154), (234, 86487), (254, 79677), (351, 57658), (381, 53118), (454, 44577), (681, 29718), (702, 28829), (762, 26559), (1143, 17706), (1362, 14859), (1651, 12258), (2043, 9906), (2286, 8853), (2951, 6858), (3302, 6129), (3429, 5902), (4086, 4953)]