20732418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9679}}^1$

素因数の和:9711

約数の個数: 48

約数和(自身を含む): 54362880

約数和(自身を除く): 33630462

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, 9679, 19358, 29037, 58074, 67753, 87111, 135506, 164543, 174222, 203259, 329086, 406518, 493629, 609777, 987258, 1151801, 1219554, 1480887, 2303602, 2961774, 3455403, 6910806, 10366209, 20732418]

約数ペア:

[(1, 20732418), (2, 10366209), (3, 6910806), (6, 3455403), (7, 2961774), (9, 2303602), (14, 1480887), (17, 1219554), (18, 1151801), (21, 987258), (34, 609777), (42, 493629), (51, 406518), (63, 329086), (102, 203259), (119, 174222), (126, 164543), (153, 135506), (238, 87111), (306, 67753), (357, 58074), (714, 29037), (1071, 19358), (2142, 9679)]