20135097052

素因数分解:

$2^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{239}}^1\times {\mathrm{1877}}^1$

素因数の和:2363

約数の個数: 72

約数和(自身を含む): 41362574400

約数和(自身を除く): 21227477348

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 229, 239, 458, 478, 916, 956, 1603, 1673, 1877, 3206, 3346, 3754, 6412, 6692, 7508, 11221, 11711, 13139, 22442, 23422, 26278, 44884, 46844, 52556, 54731, 91973, 109462, 183946, 218924, 367892, 383117, 429833, 448603, 766234, 859666, 897206, 1532468, 1719332, 1794412, 2681819, 3008831, 3140221, 5363638, 6017662, 6280442, 10727276, 12035324, 12560884, 21061817, 21981547, 42123634, 43963094, 84247268, 87926188, 102730087, 205460174, 410920348, 719110609, 1438221218, 2876442436, 5033774263, 10067548526, 20135097052]

約数ペア:

[(1, 20135097052), (2, 10067548526), (4, 5033774263), (7, 2876442436), (14, 1438221218), (28, 719110609), (49, 410920348), (98, 205460174), (196, 102730087), (229, 87926188), (239, 84247268), (458, 43963094), (478, 42123634), (916, 21981547), (956, 21061817), (1603, 12560884), (1673, 12035324), (1877, 10727276), (3206, 6280442), (3346, 6017662), (3754, 5363638), (6412, 3140221), (6692, 3008831), (7508, 2681819), (11221, 1794412), (11711, 1719332), (13139, 1532468), (22442, 897206), (23422, 859666), (26278, 766234), (44884, 448603), (46844, 429833), (52556, 383117), (54731, 367892), (91973, 218924), (109462, 183946)]