20210904124

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{378283}}^1$

素因数の和:378362

約数の個数: 36

約数和(自身を含む): 38337570264

約数和(自身を除く): 18126666140

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 361, 703, 722, 1406, 1444, 2812, 13357, 26714, 53428, 378283, 756566, 1513132, 7187377, 13996471, 14374754, 27992942, 28749508, 55985884, 136560163, 265932949, 273120326, 531865898, 546240652, 1063731796, 5052726031, 10105452062, 20210904124]

約数ペア:

[(1, 20210904124), (2, 10105452062), (4, 5052726031), (19, 1063731796), (37, 546240652), (38, 531865898), (74, 273120326), (76, 265932949), (148, 136560163), (361, 55985884), (703, 28749508), (722, 27992942), (1406, 14374754), (1444, 13996471), (2812, 7187377), (13357, 1513132), (26714, 756566), (53428, 378283)]