20473215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2671}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 37963776

約数和(自身を除く): 17490561

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 2671, 7665, 8013, 13355, 18697, 40065, 56091, 93485, 194983, 280455, 584949, 974915, 1364881, 2924745, 4094643, 6824405, 20473215]

約数ペア:

[(1, 20473215), (3, 6824405), (5, 4094643), (7, 2924745), (15, 1364881), (21, 974915), (35, 584949), (73, 280455), (105, 194983), (219, 93485), (365, 56091), (511, 40065), (1095, 18697), (1533, 13355), (2555, 8013), (2671, 7665)]