20199378976

素因数分解:

$2^5\times 7^2\times {\mathrm{971}}^1\times {\mathrm{13267}}^1$

素因数の和:14262

約数の個数: 72

約数和(自身を含む): 46311317136

約数和(自身を除く): 26111938160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 971, 1568, 1942, 3884, 6797, 7768, 13267, 13594, 15536, 26534, 27188, 31072, 47579, 53068, 54376, 92869, 95158, 106136, 108752, 185738, 190316, 212272, 217504, 371476, 380632, 424544, 650083, 742952, 761264, 1300166, 1485904, 1522528, 2600332, 2971808, 5200664, 10401328, 12882257, 20802656, 25764514, 51529028, 90175799, 103058056, 180351598, 206116112, 360703196, 412232224, 631230593, 721406392, 1262461186, 1442812784, 2524922372, 2885625568, 5049844744, 10099689488, 20199378976]

約数ペア:

[(1, 20199378976), (2, 10099689488), (4, 5049844744), (7, 2885625568), (8, 2524922372), (14, 1442812784), (16, 1262461186), (28, 721406392), (32, 631230593), (49, 412232224), (56, 360703196), (98, 206116112), (112, 180351598), (196, 103058056), (224, 90175799), (392, 51529028), (784, 25764514), (971, 20802656), (1568, 12882257), (1942, 10401328), (3884, 5200664), (6797, 2971808), (7768, 2600332), (13267, 1522528), (13594, 1485904), (15536, 1300166), (26534, 761264), (27188, 742952), (31072, 650083), (47579, 424544), (53068, 380632), (54376, 371476), (92869, 217504), (95158, 212272), (106136, 190316), (108752, 185738)]