20684460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3347}}^1$

素因数の和:3462

約数の個数: 48

約数和(自身を含む): 58496256

約数和(自身を除く): 37811796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3347, 6180, 6694, 10041, 13388, 16735, 20082, 33470, 40164, 50205, 66940, 100410, 200820, 344741, 689482, 1034223, 1378964, 1723705, 2068446, 3447410, 4136892, 5171115, 6894820, 10342230, 20684460]

約数ペア:

[(1, 20684460), (2, 10342230), (3, 6894820), (4, 5171115), (5, 4136892), (6, 3447410), (10, 2068446), (12, 1723705), (15, 1378964), (20, 1034223), (30, 689482), (60, 344741), (103, 200820), (206, 100410), (309, 66940), (412, 50205), (515, 40164), (618, 33470), (1030, 20082), (1236, 16735), (1545, 13388), (2060, 10041), (3090, 6694), (3347, 6180)]