20805522892

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2269}}^1\times {\mathrm{4253}}^1$

素因数の和:6551

約数の個数: 72

約数和(自身を含む): 46235705040

約数和(自身を除く): 25430182148

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 2269, 4253, 4538, 8506, 9076, 15883, 17012, 24959, 29771, 31766, 46783, 49918, 59542, 63532, 93566, 99836, 111181, 119084, 174713, 187132, 208397, 222362, 327481, 349426, 416794, 444724, 654962, 698852, 833588, 1222991, 1309924, 2292367, 2445982, 4584734, 4891964, 9169468, 9650057, 19300114, 38600228, 67550399, 106150627, 135100798, 212301254, 270201596, 424602508, 472852793, 743054389, 945705586, 1486108778, 1891411172, 2972217556, 5201380723, 10402761446, 20805522892]

約数ペア:

[(1, 20805522892), (2, 10402761446), (4, 5201380723), (7, 2972217556), (11, 1891411172), (14, 1486108778), (22, 945705586), (28, 743054389), (44, 472852793), (49, 424602508), (77, 270201596), (98, 212301254), (154, 135100798), (196, 106150627), (308, 67550399), (539, 38600228), (1078, 19300114), (2156, 9650057), (2269, 9169468), (4253, 4891964), (4538, 4584734), (8506, 2445982), (9076, 2292367), (15883, 1309924), (17012, 1222991), (24959, 833588), (29771, 698852), (31766, 654962), (46783, 444724), (49918, 416794), (59542, 349426), (63532, 327481), (93566, 222362), (99836, 208397), (111181, 187132), (119084, 174713)]