20498244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35385276

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 29, 39, 46, 52, 58, 69, 78, 87, 92, 116, 138, 156, 174, 197, 276, 299, 348, 377, 394, 591, 598, 667, 754, 788, 897, 1131, 1182, 1196, 1334, 1508, 1794, 2001, 2262, 2364, 2561, 2668, 3588, 4002, 4524, 4531, 5122, 5713, 7683, 8004, 8671, 9062, 10244, 11426, 13593, 15366, 17139, 17342, 18124, 22852, 26013, 27186, 30732, 34278, 34684, 52026, 54372, 58903, 68556, 74269, 104052, 117806, 131399, 148538, 176709, 222807, 235612, 262798, 297076, 353418, 394197, 445614, 525596, 706836, 788394, 891228, 1576788, 1708187, 3416374, 5124561, 6832748, 10249122, 20498244]

約数ペア:

[(1, 20498244), (2, 10249122), (3, 6832748), (4, 5124561), (6, 3416374), (12, 1708187), (13, 1576788), (23, 891228), (26, 788394), (29, 706836), (39, 525596), (46, 445614), (52, 394197), (58, 353418), (69, 297076), (78, 262798), (87, 235612), (92, 222807), (116, 176709), (138, 148538), (156, 131399), (174, 117806), (197, 104052), (276, 74269), (299, 68556), (348, 58903), (377, 54372), (394, 52026), (591, 34684), (598, 34278), (667, 30732), (754, 27186), (788, 26013), (897, 22852), (1131, 18124), (1182, 17342), (1196, 17139), (1334, 15366), (1508, 13593), (1794, 11426), (2001, 10244), (2262, 9062), (2364, 8671), (2561, 8004), (2668, 7683), (3588, 5713), (4002, 5122), (4524, 4531)]