20632220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8669}}^1$

素因数の和:8702

約数の個数: 48

約数和(自身を含む): 52436160

約数和(自身を除く): 31803940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8669, 17338, 34676, 43345, 60683, 86690, 121366, 147373, 173380, 242732, 294746, 303415, 589492, 606830, 736865, 1031611, 1213660, 1473730, 2063222, 2947460, 4126444, 5158055, 10316110, 20632220]

約数ペア:

[(1, 20632220), (2, 10316110), (4, 5158055), (5, 4126444), (7, 2947460), (10, 2063222), (14, 1473730), (17, 1213660), (20, 1031611), (28, 736865), (34, 606830), (35, 589492), (68, 303415), (70, 294746), (85, 242732), (119, 173380), (140, 147373), (170, 121366), (238, 86690), (340, 60683), (476, 43345), (595, 34676), (1190, 17338), (2380, 8669)]