20201953779

素因数分解:

$3^2\times 7^2\times {\mathrm{9803}}^1\times {\mathrm{4673}}^1$

素因数の和:14496

約数の個数: 36

約数和(自身を含む): 33955506936

約数和(自身を除く): 13753553157

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4673, 9803, 14019, 29409, 32711, 42057, 68621, 88227, 98133, 205863, 228977, 294399, 480347, 617589, 686931, 1441041, 2060793, 4323123, 45809419, 137428257, 320665933, 412284771, 961997799, 2244661531, 2885993397, 6733984593, 20201953779]

約数ペア:

[(1, 20201953779), (3, 6733984593), (7, 2885993397), (9, 2244661531), (21, 961997799), (49, 412284771), (63, 320665933), (147, 137428257), (441, 45809419), (4673, 4323123), (9803, 2060793), (14019, 1441041), (29409, 686931), (32711, 617589), (42057, 480347), (68621, 294399), (88227, 228977), (98133, 205863)]