20921937192008

素因数分解:

$2^3\times {\mathrm{15569}}^1\times {\mathrm{167977529}}^1$

素因数の和:167993104

約数の個数: 16

約数和(自身を含む): 39231152131500

約数和(自身を除く): 18309214939492

約数列:

[1, 2, 4, 8, 15569, 31138, 62276, 124552, 167977529, 335955058, 671910116, 1343820232, 2615242149001, 5230484298002, 10460968596004, 20921937192008]

約数ペア:

[(1, 20921937192008), (2, 10460968596004), (4, 5230484298002), (8, 2615242149001), (15569, 1343820232), (31138, 671910116), (62276, 335955058), (124552, 167977529)]