20750744

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27149416

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 71, 119, 136, 142, 238, 284, 307, 476, 497, 568, 614, 952, 994, 1207, 1228, 1988, 2149, 2414, 2456, 3976, 4298, 4828, 5219, 8449, 8596, 9656, 10438, 16898, 17192, 20876, 21797, 33796, 36533, 41752, 43594, 67592, 73066, 87188, 146132, 152579, 174376, 292264, 305158, 370549, 610316, 741098, 1220632, 1482196, 2593843, 2964392, 5187686, 10375372, 20750744]

約数ペア:

[(1, 20750744), (2, 10375372), (4, 5187686), (7, 2964392), (8, 2593843), (14, 1482196), (17, 1220632), (28, 741098), (34, 610316), (56, 370549), (68, 305158), (71, 292264), (119, 174376), (136, 152579), (142, 146132), (238, 87188), (284, 73066), (307, 67592), (476, 43594), (497, 41752), (568, 36533), (614, 33796), (952, 21797), (994, 20876), (1207, 17192), (1228, 16898), (1988, 10438), (2149, 9656), (2414, 8596), (2456, 8449), (3976, 5219), (4298, 4828)]