20676540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14983}}^1$

素因数の和:15018

約数の個数: 48

約数和(自身を含む): 60415488

約数和(自身を除く): 39738948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14983, 29966, 44949, 59932, 74915, 89898, 149830, 179796, 224745, 299660, 344609, 449490, 689218, 898980, 1033827, 1378436, 1723045, 2067654, 3446090, 4135308, 5169135, 6892180, 10338270, 20676540]

約数ペア:

[(1, 20676540), (2, 10338270), (3, 6892180), (4, 5169135), (5, 4135308), (6, 3446090), (10, 2067654), (12, 1723045), (15, 1378436), (20, 1033827), (23, 898980), (30, 689218), (46, 449490), (60, 344609), (69, 299660), (92, 224745), (115, 179796), (138, 149830), (230, 89898), (276, 74915), (345, 59932), (460, 44949), (690, 29966), (1380, 14983)]