20704392

素因数分解:

$2^3\times 3^2\times {\mathrm{269}}^1\times {\mathrm{1069}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 56335500

約数和(自身を除く): 35631108

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 269, 538, 807, 1069, 1076, 1614, 2138, 2152, 2421, 3207, 3228, 4276, 4842, 6414, 6456, 8552, 9621, 9684, 12828, 19242, 19368, 25656, 38484, 76968, 287561, 575122, 862683, 1150244, 1725366, 2300488, 2588049, 3450732, 5176098, 6901464, 10352196, 20704392]

約数ペア:

[(1, 20704392), (2, 10352196), (3, 6901464), (4, 5176098), (6, 3450732), (8, 2588049), (9, 2300488), (12, 1725366), (18, 1150244), (24, 862683), (36, 575122), (72, 287561), (269, 76968), (538, 38484), (807, 25656), (1069, 19368), (1076, 19242), (1614, 12828), (2138, 9684), (2152, 9621), (2421, 8552), (3207, 6456), (3228, 6414), (4276, 4842)]