20879181508

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{3301}}^1\times {\mathrm{12451}}^1$

素因数の和:15883

約数の個数: 24

約数和(自身を含む): 36840387584

約数和(自身を除く): 15961206076

約数列:

[1, 2, 4, 127, 254, 508, 3301, 6602, 12451, 13204, 24902, 49804, 419227, 838454, 1581277, 1676908, 3162554, 6325108, 41100751, 82201502, 164403004, 5219795377, 10439590754, 20879181508]

約数ペア:

[(1, 20879181508), (2, 10439590754), (4, 5219795377), (127, 164403004), (254, 82201502), (508, 41100751), (3301, 6325108), (6602, 3162554), (12451, 1676908), (13204, 1581277), (24902, 838454), (49804, 419227)]