20644248

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33787752

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 149, 184, 251, 276, 298, 447, 502, 552, 596, 753, 894, 1004, 1192, 1506, 1788, 2008, 3012, 3427, 3576, 5773, 6024, 6854, 10281, 11546, 13708, 17319, 20562, 23092, 27416, 34638, 37399, 41124, 46184, 69276, 74798, 82248, 112197, 138552, 149596, 224394, 299192, 448788, 860177, 897576, 1720354, 2580531, 3440708, 5161062, 6881416, 10322124, 20644248]

約数ペア:

[(1, 20644248), (2, 10322124), (3, 6881416), (4, 5161062), (6, 3440708), (8, 2580531), (12, 1720354), (23, 897576), (24, 860177), (46, 448788), (69, 299192), (92, 224394), (138, 149596), (149, 138552), (184, 112197), (251, 82248), (276, 74798), (298, 69276), (447, 46184), (502, 41124), (552, 37399), (596, 34638), (753, 27416), (894, 23092), (1004, 20562), (1192, 17319), (1506, 13708), (1788, 11546), (2008, 10281), (3012, 6854), (3427, 6024), (3576, 5773)]