20199041268

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{136861}}^1$

素因数の和:137133

約数の個数: 72

約数和(自身を含む): 55044801504

約数和(自身を除く): 34845760236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 251, 294, 502, 588, 753, 1004, 1506, 1757, 3012, 3514, 5271, 7028, 10542, 12299, 21084, 24598, 36897, 49196, 73794, 136861, 147588, 273722, 410583, 547444, 821166, 958027, 1642332, 1916054, 2874081, 3832108, 5748162, 6706189, 11496324, 13412378, 20118567, 26824756, 34352111, 40237134, 68704222, 80474268, 103056333, 137408444, 206112666, 240464777, 412225332, 480929554, 721394331, 961859108, 1442788662, 1683253439, 2885577324, 3366506878, 5049760317, 6733013756, 10099520634, 20199041268]

約数ペア:

[(1, 20199041268), (2, 10099520634), (3, 6733013756), (4, 5049760317), (6, 3366506878), (7, 2885577324), (12, 1683253439), (14, 1442788662), (21, 961859108), (28, 721394331), (42, 480929554), (49, 412225332), (84, 240464777), (98, 206112666), (147, 137408444), (196, 103056333), (251, 80474268), (294, 68704222), (502, 40237134), (588, 34352111), (753, 26824756), (1004, 20118567), (1506, 13412378), (1757, 11496324), (3012, 6706189), (3514, 5748162), (5271, 3832108), (7028, 2874081), (10542, 1916054), (12299, 1642332), (21084, 958027), (24598, 821166), (36897, 547444), (49196, 410583), (73794, 273722), (136861, 147588)]