20826208

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3851}}^1$

素因数の和:3887

約数の個数: 36

約数和(自身を含む): 44409708

約数和(自身を除く): 23583500

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3851, 5408, 7702, 15404, 30808, 50063, 61616, 100126, 123232, 200252, 400504, 650819, 801008, 1301638, 1602016, 2603276, 5206552, 10413104, 20826208]

約数ペア:

[(1, 20826208), (2, 10413104), (4, 5206552), (8, 2603276), (13, 1602016), (16, 1301638), (26, 801008), (32, 650819), (52, 400504), (104, 200252), (169, 123232), (208, 100126), (338, 61616), (416, 50063), (676, 30808), (1352, 15404), (2704, 7702), (3851, 5408)]