20975094

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2729}}^1$

素因数の和:2805

約数の個数: 48

約数和(自身を含む): 52809120

約数和(自身を除く): 31834026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2729, 3843, 5458, 7686, 8187, 16374, 19103, 24561, 38206, 49122, 57309, 114618, 166469, 171927, 332938, 343854, 499407, 998814, 1165283, 1498221, 2330566, 2996442, 3495849, 6991698, 10487547, 20975094]

約数ペア:

[(1, 20975094), (2, 10487547), (3, 6991698), (6, 3495849), (7, 2996442), (9, 2330566), (14, 1498221), (18, 1165283), (21, 998814), (42, 499407), (61, 343854), (63, 332938), (122, 171927), (126, 166469), (183, 114618), (366, 57309), (427, 49122), (549, 38206), (854, 24561), (1098, 19103), (1281, 16374), (2562, 8187), (2729, 7686), (3843, 5458)]