20796908528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{274163}}^1$

素因数の和:274613

約数の個数: 40

約数和(自身を含む): 44059251456

約数和(自身を除く): 23262342928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 431, 862, 1724, 3448, 4741, 6896, 9482, 18964, 37928, 75856, 274163, 548326, 1096652, 2193304, 3015793, 4386608, 6031586, 12063172, 24126344, 48252688, 118164253, 236328506, 472657012, 945314024, 1299806783, 1890628048, 2599613566, 5199227132, 10398454264, 20796908528]

約数ペア:

[(1, 20796908528), (2, 10398454264), (4, 5199227132), (8, 2599613566), (11, 1890628048), (16, 1299806783), (22, 945314024), (44, 472657012), (88, 236328506), (176, 118164253), (431, 48252688), (862, 24126344), (1724, 12063172), (3448, 6031586), (4741, 4386608), (6896, 3015793), (9482, 2193304), (18964, 1096652), (37928, 548326), (75856, 274163)]