20321532

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7331}}^1$

素因数の和:7359

約数の個数: 72

約数和(自身を含む): 64052352

約数和(自身を除く): 43730820

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7331, 14662, 21993, 29324, 43986, 51317, 65979, 80641, 87972, 102634, 131958, 153951, 161282, 205268, 241923, 263916, 307902, 322564, 461853, 483846, 564487, 615804, 725769, 923706, 967692, 1128974, 1451538, 1693461, 1847412, 2257948, 2903076, 3386922, 5080383, 6773844, 10160766, 20321532]

約数ペア:

[(1, 20321532), (2, 10160766), (3, 6773844), (4, 5080383), (6, 3386922), (7, 2903076), (9, 2257948), (11, 1847412), (12, 1693461), (14, 1451538), (18, 1128974), (21, 967692), (22, 923706), (28, 725769), (33, 615804), (36, 564487), (42, 483846), (44, 461853), (63, 322564), (66, 307902), (77, 263916), (84, 241923), (99, 205268), (126, 161282), (132, 153951), (154, 131958), (198, 102634), (231, 87972), (252, 80641), (308, 65979), (396, 51317), (462, 43986), (693, 29324), (924, 21993), (1386, 14662), (2772, 7331)]