20485790858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{809}}^1\times {\mathrm{4253}}^1$

素因数の和:5306

約数の個数: 32

約数和(自身を含む): 33285848400

約数和(自身を除く): 12800057542

約数列:

[1, 2, 13, 26, 229, 458, 809, 1618, 2977, 4253, 5954, 8506, 10517, 21034, 55289, 110578, 185261, 370522, 973937, 1947874, 2408393, 3440677, 4816786, 6881354, 12661181, 25322362, 44728801, 89457602, 787915033, 1575830066, 10242895429, 20485790858]

約数ペア:

[(1, 20485790858), (2, 10242895429), (13, 1575830066), (26, 787915033), (229, 89457602), (458, 44728801), (809, 25322362), (1618, 12661181), (2977, 6881354), (4253, 4816786), (5954, 3440677), (8506, 2408393), (10517, 1947874), (21034, 973937), (55289, 370522), (110578, 185261)]