20027748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 35009052

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 156, 174, 228, 233, 247, 348, 377, 466, 494, 551, 699, 741, 754, 932, 988, 1102, 1131, 1398, 1482, 1508, 1653, 2204, 2262, 2796, 2964, 3029, 3306, 4427, 4524, 6058, 6612, 6757, 7163, 8854, 9087, 12116, 13281, 13514, 14326, 17708, 18174, 20271, 21489, 26562, 27028, 28652, 36348, 40542, 42978, 53124, 57551, 81084, 85956, 87841, 115102, 128383, 172653, 175682, 230204, 256766, 263523, 345306, 351364, 385149, 513532, 527046, 690612, 770298, 1054092, 1540596, 1668979, 3337958, 5006937, 6675916, 10013874, 20027748]

約数ペア:

[(1, 20027748), (2, 10013874), (3, 6675916), (4, 5006937), (6, 3337958), (12, 1668979), (13, 1540596), (19, 1054092), (26, 770298), (29, 690612), (38, 527046), (39, 513532), (52, 385149), (57, 351364), (58, 345306), (76, 263523), (78, 256766), (87, 230204), (114, 175682), (116, 172653), (156, 128383), (174, 115102), (228, 87841), (233, 85956), (247, 81084), (348, 57551), (377, 53124), (466, 42978), (494, 40542), (551, 36348), (699, 28652), (741, 27028), (754, 26562), (932, 21489), (988, 20271), (1102, 18174), (1131, 17708), (1398, 14326), (1482, 13514), (1508, 13281), (1653, 12116), (2204, 9087), (2262, 8854), (2796, 7163), (2964, 6757), (3029, 6612), (3306, 6058), (4427, 4524)]