20316618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 50558976

約数和(自身を除く): 30242358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 383, 421, 766, 842, 1149, 1263, 2298, 2526, 2681, 2947, 3447, 3789, 5362, 5894, 6894, 7578, 8043, 8841, 16086, 17682, 24129, 26523, 48258, 53046, 161243, 322486, 483729, 967458, 1128701, 1451187, 2257402, 2902374, 3386103, 6772206, 10158309, 20316618]

約数ペア:

[(1, 20316618), (2, 10158309), (3, 6772206), (6, 3386103), (7, 2902374), (9, 2257402), (14, 1451187), (18, 1128701), (21, 967458), (42, 483729), (63, 322486), (126, 161243), (383, 53046), (421, 48258), (766, 26523), (842, 24129), (1149, 17682), (1263, 16086), (2298, 8841), (2526, 8043), (2681, 7578), (2947, 6894), (3447, 5894), (3789, 5362)]