20949207853

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{687829}}^1$

素因数の和:688084

約数の個数: 16

約数和(自身を含む): 25312144000

約数和(自身を除く): 4362936147

約数列:

[1, 7, 19, 133, 229, 1603, 4351, 30457, 687829, 4814803, 13068751, 91481257, 157512841, 1102589887, 2992743979, 20949207853]

約数ペア:

[(1, 20949207853), (7, 2992743979), (19, 1102589887), (133, 157512841), (229, 91481257), (1603, 13068751), (4351, 4814803), (30457, 687829)]