20317740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14723}}^1$

素因数の和:14758

約数の個数: 48

約数和(自身を含む): 59367168

約数和(自身を除く): 39049428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14723, 29446, 44169, 58892, 73615, 88338, 147230, 176676, 220845, 294460, 338629, 441690, 677258, 883380, 1015887, 1354516, 1693145, 2031774, 3386290, 4063548, 5079435, 6772580, 10158870, 20317740]

約数ペア:

[(1, 20317740), (2, 10158870), (3, 6772580), (4, 5079435), (5, 4063548), (6, 3386290), (10, 2031774), (12, 1693145), (15, 1354516), (20, 1015887), (23, 883380), (30, 677258), (46, 441690), (60, 338629), (69, 294460), (92, 220845), (115, 176676), (138, 147230), (230, 88338), (276, 73615), (345, 58892), (460, 44169), (690, 29446), (1380, 14723)]