20625318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9629}}^1$

素因数の和:9661

約数の個数: 48

約数和(自身を含む): 54082080

約数和(自身を除く): 33456762

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9629, 19258, 28887, 57774, 67403, 86661, 134806, 163693, 173322, 202209, 327386, 404418, 491079, 606627, 982158, 1145851, 1213254, 1473237, 2291702, 2946474, 3437553, 6875106, 10312659, 20625318]

約数ペア:

[(1, 20625318), (2, 10312659), (3, 6875106), (6, 3437553), (7, 2946474), (9, 2291702), (14, 1473237), (17, 1213254), (18, 1145851), (21, 982158), (34, 606627), (42, 491079), (51, 404418), (63, 327386), (102, 202209), (119, 173322), (126, 163693), (153, 134806), (238, 86661), (306, 67403), (357, 57774), (714, 28887), (1071, 19258), (2142, 9629)]