20459340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10333}}^1$

素因数の和:10359

約数の個数: 72

約数和(自身を含む): 67708368

約数和(自身を除く): 47249028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10333, 20666, 30999, 41332, 51665, 61998, 92997, 103330, 113663, 123996, 154995, 185994, 206660, 227326, 309990, 340989, 371988, 454652, 464985, 568315, 619980, 681978, 929970, 1022967, 1136630, 1363956, 1704945, 1859940, 2045934, 2273260, 3409890, 4091868, 5114835, 6819780, 10229670, 20459340]

約数ペア:

[(1, 20459340), (2, 10229670), (3, 6819780), (4, 5114835), (5, 4091868), (6, 3409890), (9, 2273260), (10, 2045934), (11, 1859940), (12, 1704945), (15, 1363956), (18, 1136630), (20, 1022967), (22, 929970), (30, 681978), (33, 619980), (36, 568315), (44, 464985), (45, 454652), (55, 371988), (60, 340989), (66, 309990), (90, 227326), (99, 206660), (110, 185994), (132, 154995), (165, 123996), (180, 113663), (198, 103330), (220, 92997), (330, 61998), (396, 51665), (495, 41332), (660, 30999), (990, 20666), (1980, 10333)]