20790750408

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{171439}}^1$

素因数の和:171642

約数の個数: 64

約数和(自身を含む): 53983027200

約数和(自身を除く): 33192276792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 163, 186, 248, 326, 372, 489, 652, 744, 978, 1304, 1956, 3912, 5053, 10106, 15159, 20212, 30318, 40424, 60636, 121272, 171439, 342878, 514317, 685756, 1028634, 1371512, 2057268, 4114536, 5314609, 10629218, 15943827, 21258436, 27944557, 31887654, 42516872, 55889114, 63775308, 83833671, 111778228, 127550616, 167667342, 223556456, 335334684, 670669368, 866281267, 1732562534, 2598843801, 3465125068, 5197687602, 6930250136, 10395375204, 20790750408]

約数ペア:

[(1, 20790750408), (2, 10395375204), (3, 6930250136), (4, 5197687602), (6, 3465125068), (8, 2598843801), (12, 1732562534), (24, 866281267), (31, 670669368), (62, 335334684), (93, 223556456), (124, 167667342), (163, 127550616), (186, 111778228), (248, 83833671), (326, 63775308), (372, 55889114), (489, 42516872), (652, 31887654), (744, 27944557), (978, 21258436), (1304, 15943827), (1956, 10629218), (3912, 5314609), (5053, 4114536), (10106, 2057268), (15159, 1371512), (20212, 1028634), (30318, 685756), (40424, 514317), (60636, 342878), (121272, 171439)]