20030648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23514952

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 47, 58, 88, 94, 116, 167, 188, 232, 319, 334, 376, 517, 638, 668, 1034, 1276, 1336, 1363, 1837, 2068, 2552, 2726, 3674, 4136, 4843, 5452, 7348, 7849, 9686, 10904, 14696, 14993, 15698, 19372, 29986, 31396, 38744, 53273, 59972, 62792, 86339, 106546, 119944, 172678, 213092, 227621, 345356, 426184, 455242, 690712, 910484, 1820968, 2503831, 5007662, 10015324, 20030648]

約数ペア:

[(1, 20030648), (2, 10015324), (4, 5007662), (8, 2503831), (11, 1820968), (22, 910484), (29, 690712), (44, 455242), (47, 426184), (58, 345356), (88, 227621), (94, 213092), (116, 172678), (167, 119944), (188, 106546), (232, 86339), (319, 62792), (334, 59972), (376, 53273), (517, 38744), (638, 31396), (668, 29986), (1034, 19372), (1276, 15698), (1336, 14993), (1363, 14696), (1837, 10904), (2068, 9686), (2552, 7849), (2726, 7348), (3674, 5452), (4136, 4843)]