20179958032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{230449}}^1$

素因数の和:230891

約数の個数: 40

約数和(自身を含む): 42206456600

約数和(自身を除く): 22026498568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421, 842, 1684, 3368, 5473, 6736, 10946, 21892, 43784, 87568, 230449, 460898, 921796, 1843592, 2995837, 3687184, 5991674, 11983348, 23966696, 47933392, 97019029, 194038058, 388076116, 776152232, 1261247377, 1552304464, 2522494754, 5044989508, 10089979016, 20179958032]

約数ペア:

[(1, 20179958032), (2, 10089979016), (4, 5044989508), (8, 2522494754), (13, 1552304464), (16, 1261247377), (26, 776152232), (52, 388076116), (104, 194038058), (208, 97019029), (421, 47933392), (842, 23966696), (1684, 11983348), (3368, 5991674), (5473, 3687184), (6736, 2995837), (10946, 1843592), (21892, 921796), (43784, 460898), (87568, 230449)]