20484912

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 61996032

約数和(自身を除く): 41511120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1487, 1722, 1968, 2296, 2974, 3444, 4461, 4592, 5948, 6888, 8922, 10409, 11896, 13776, 17844, 20818, 23792, 31227, 35688, 41636, 60967, 62454, 71376, 83272, 121934, 124908, 166544, 182901, 243868, 249816, 365802, 426769, 487736, 499632, 731604, 853538, 975472, 1280307, 1463208, 1707076, 2560614, 2926416, 3414152, 5121228, 6828304, 10242456, 20484912]

約数ペア:

[(1, 20484912), (2, 10242456), (3, 6828304), (4, 5121228), (6, 3414152), (7, 2926416), (8, 2560614), (12, 1707076), (14, 1463208), (16, 1280307), (21, 975472), (24, 853538), (28, 731604), (41, 499632), (42, 487736), (48, 426769), (56, 365802), (82, 249816), (84, 243868), (112, 182901), (123, 166544), (164, 124908), (168, 121934), (246, 83272), (287, 71376), (328, 62454), (336, 60967), (492, 41636), (574, 35688), (656, 31227), (861, 23792), (984, 20818), (1148, 17844), (1487, 13776), (1722, 11896), (1968, 10409), (2296, 8922), (2974, 6888), (3444, 5948), (4461, 4592)]