20713524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 54627552

約数和(自身を除く): 33914028

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 251, 276, 299, 502, 529, 598, 753, 897, 1004, 1058, 1196, 1506, 1587, 1794, 2116, 3012, 3174, 3263, 3588, 5773, 6348, 6526, 6877, 9789, 11546, 13052, 13754, 17319, 19578, 20631, 23092, 27508, 34638, 39156, 41262, 69276, 75049, 82524, 132779, 150098, 225147, 265558, 300196, 398337, 450294, 531116, 796674, 900588, 1593348, 1726127, 3452254, 5178381, 6904508, 10356762, 20713524]

約数ペア:

[(1, 20713524), (2, 10356762), (3, 6904508), (4, 5178381), (6, 3452254), (12, 1726127), (13, 1593348), (23, 900588), (26, 796674), (39, 531116), (46, 450294), (52, 398337), (69, 300196), (78, 265558), (92, 225147), (138, 150098), (156, 132779), (251, 82524), (276, 75049), (299, 69276), (502, 41262), (529, 39156), (598, 34638), (753, 27508), (897, 23092), (1004, 20631), (1058, 19578), (1196, 17319), (1506, 13754), (1587, 13052), (1794, 11546), (2116, 9789), (3012, 6877), (3174, 6526), (3263, 6348), (3588, 5773)]