20894930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9629}}^1$

素因数の和:9674

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 23480110

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9629, 19258, 48145, 67403, 96290, 134806, 298499, 337015, 596998, 674030, 1492495, 2089493, 2984990, 4178986, 10447465, 20894930]

約数ペア:

[(1, 20894930), (2, 10447465), (5, 4178986), (7, 2984990), (10, 2089493), (14, 1492495), (31, 674030), (35, 596998), (62, 337015), (70, 298499), (155, 134806), (217, 96290), (310, 67403), (434, 48145), (1085, 19258), (2170, 9629)]