20807840872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28582199}}^1$

素因数の和:28582225

約数の個数: 32

約数和(自身を含む): 48018096000

約数和(自身を除く): 27210255128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28582199, 57164398, 114328796, 200075393, 228657592, 371568587, 400150786, 743137174, 800301572, 1486274348, 1600603144, 2600980109, 2972548696, 5201960218, 10403920436, 20807840872]

約数ペア:

[(1, 20807840872), (2, 10403920436), (4, 5201960218), (7, 2972548696), (8, 2600980109), (13, 1600603144), (14, 1486274348), (26, 800301572), (28, 743137174), (52, 400150786), (56, 371568587), (91, 228657592), (104, 200075393), (182, 114328796), (364, 57164398), (728, 28582199)]