20165874736

素因数分解:

$2^4\times 7^2\times {\mathrm{191}}^1\times {\mathrm{134669}}^1$

素因数の和:134882

約数の個数: 60

約数和(自身を含む): 45688682880

約数和(自身を除く): 25522808144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 191, 196, 382, 392, 764, 784, 1337, 1528, 2674, 3056, 5348, 9359, 10696, 18718, 21392, 37436, 74872, 134669, 149744, 269338, 538676, 942683, 1077352, 1885366, 2154704, 3770732, 6598781, 7541464, 13197562, 15082928, 25721779, 26395124, 51443558, 52790248, 102887116, 105580496, 180052453, 205774232, 360104906, 411548464, 720209812, 1260367171, 1440419624, 2520734342, 2880839248, 5041468684, 10082937368, 20165874736]

約数ペア:

[(1, 20165874736), (2, 10082937368), (4, 5041468684), (7, 2880839248), (8, 2520734342), (14, 1440419624), (16, 1260367171), (28, 720209812), (49, 411548464), (56, 360104906), (98, 205774232), (112, 180052453), (191, 105580496), (196, 102887116), (382, 52790248), (392, 51443558), (764, 26395124), (784, 25721779), (1337, 15082928), (1528, 13197562), (2674, 7541464), (3056, 6598781), (5348, 3770732), (9359, 2154704), (10696, 1885366), (18718, 1077352), (21392, 942683), (37436, 538676), (74872, 269338), (134669, 149744)]