20447336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28087}}^1$

素因数の和:28113

約数の個数: 32

約数和(自身を含む): 47187840

約数和(自身を除く): 26740504

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28087, 56174, 112348, 196609, 224696, 365131, 393218, 730262, 786436, 1460524, 1572872, 2555917, 2921048, 5111834, 10223668, 20447336]

約数ペア:

[(1, 20447336), (2, 10223668), (4, 5111834), (7, 2921048), (8, 2555917), (13, 1572872), (14, 1460524), (26, 786436), (28, 730262), (52, 393218), (56, 365131), (91, 224696), (104, 196609), (182, 112348), (364, 56174), (728, 28087)]