20380178

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 40592664

約数和(自身を除く): 20212486

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 119, 182, 221, 238, 442, 637, 833, 941, 1274, 1547, 1666, 1882, 3094, 6587, 10829, 12233, 13174, 15997, 21658, 24466, 31994, 46109, 85631, 92218, 111979, 171262, 207961, 223958, 415922, 599417, 783853, 1198834, 1455727, 1567706, 2911454, 10190089, 20380178]

約数ペア:

[(1, 20380178), (2, 10190089), (7, 2911454), (13, 1567706), (14, 1455727), (17, 1198834), (26, 783853), (34, 599417), (49, 415922), (91, 223958), (98, 207961), (119, 171262), (182, 111979), (221, 92218), (238, 85631), (442, 46109), (637, 31994), (833, 24466), (941, 21658), (1274, 15997), (1547, 13174), (1666, 12233), (1882, 10829), (3094, 6587)]