20625633

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 15316767

約数列:

[1, 3, 7, 9, 21, 31, 59, 63, 93, 177, 179, 217, 279, 413, 531, 537, 651, 1239, 1253, 1611, 1829, 1953, 3717, 3759, 5487, 5549, 10561, 11277, 12803, 16461, 16647, 31683, 38409, 38843, 49941, 73927, 95049, 115227, 116529, 221781, 327391, 349587, 665343, 982173, 2291737, 2946519, 6875211, 20625633]

約数ペア:

[(1, 20625633), (3, 6875211), (7, 2946519), (9, 2291737), (21, 982173), (31, 665343), (59, 349587), (63, 327391), (93, 221781), (177, 116529), (179, 115227), (217, 95049), (279, 73927), (413, 49941), (531, 38843), (537, 38409), (651, 31683), (1239, 16647), (1253, 16461), (1611, 12803), (1829, 11277), (1953, 10561), (3717, 5549), (3759, 5487)]