20642784

素因数分解:

$2^5\times 3^1\times {\mathrm{101}}^1\times {\mathrm{2129}}^1$

素因数の和:2243

約数の個数: 48

約数和(自身を含む): 54749520

約数和(自身を除く): 34106736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 101, 202, 303, 404, 606, 808, 1212, 1616, 2129, 2424, 3232, 4258, 4848, 6387, 8516, 9696, 12774, 17032, 25548, 34064, 51096, 68128, 102192, 204384, 215029, 430058, 645087, 860116, 1290174, 1720232, 2580348, 3440464, 5160696, 6880928, 10321392, 20642784]

約数ペア:

[(1, 20642784), (2, 10321392), (3, 6880928), (4, 5160696), (6, 3440464), (8, 2580348), (12, 1720232), (16, 1290174), (24, 860116), (32, 645087), (48, 430058), (96, 215029), (101, 204384), (202, 102192), (303, 68128), (404, 51096), (606, 34064), (808, 25548), (1212, 17032), (1616, 12774), (2129, 9696), (2424, 8516), (3232, 6387), (4258, 4848)]