20157484826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{86861}}^1$

素因数の和:87110

約数の個数: 32

約数和(自身を含む): 33021457920

約数和(自身を除く): 12863973094

約数列:

[1, 2, 19, 31, 38, 62, 197, 394, 589, 1178, 3743, 6107, 7486, 12214, 86861, 116033, 173722, 232066, 1650359, 2692691, 3300718, 5385382, 17111617, 34223234, 51161129, 102322258, 325120723, 530460127, 650241446, 1060920254, 10078742413, 20157484826]

約数ペア:

[(1, 20157484826), (2, 10078742413), (19, 1060920254), (31, 650241446), (38, 530460127), (62, 325120723), (197, 102322258), (394, 51161129), (589, 34223234), (1178, 17111617), (3743, 5385382), (6107, 3300718), (7486, 2692691), (12214, 1650359), (86861, 232066), (116033, 173722)]