20821470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14767}}^1$

素因数の和:14824

約数の個数: 32

約数和(自身を含む): 51038208

約数和(自身を除く): 30216738

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14767, 29534, 44301, 73835, 88602, 147670, 221505, 443010, 694049, 1388098, 2082147, 3470245, 4164294, 6940490, 10410735, 20821470]

約数ペア:

[(1, 20821470), (2, 10410735), (3, 6940490), (5, 4164294), (6, 3470245), (10, 2082147), (15, 1388098), (30, 694049), (47, 443010), (94, 221505), (141, 147670), (235, 88602), (282, 73835), (470, 44301), (705, 29534), (1410, 14767)]