20196904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27743}}^1$

素因数の和:27769

約数の個数: 32

約数和(自身を含む): 46609920

約数和(自身を除く): 26413016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27743, 55486, 110972, 194201, 221944, 360659, 388402, 721318, 776804, 1442636, 1553608, 2524613, 2885272, 5049226, 10098452, 20196904]

約数ペア:

[(1, 20196904), (2, 10098452), (4, 5049226), (7, 2885272), (8, 2524613), (13, 1553608), (14, 1442636), (26, 776804), (28, 721318), (52, 388402), (56, 360659), (91, 221944), (104, 194201), (182, 110972), (364, 55486), (728, 27743)]