20090928

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2927}}^1$

素因数の和:2962

約数の個数: 80

約数和(自身を含む): 60996096

約数和(自身を除く): 40905168

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 2927, 3432, 5854, 6864, 8781, 11708, 17562, 23416, 32197, 35124, 38051, 46832, 64394, 70248, 76102, 96591, 114153, 128788, 140496, 152204, 193182, 228306, 257576, 304408, 386364, 418561, 456612, 515152, 608816, 772728, 837122, 913224, 1255683, 1545456, 1674244, 1826448, 2511366, 3348488, 5022732, 6696976, 10045464, 20090928]

約数ペア:

[(1, 20090928), (2, 10045464), (3, 6696976), (4, 5022732), (6, 3348488), (8, 2511366), (11, 1826448), (12, 1674244), (13, 1545456), (16, 1255683), (22, 913224), (24, 837122), (26, 772728), (33, 608816), (39, 515152), (44, 456612), (48, 418561), (52, 386364), (66, 304408), (78, 257576), (88, 228306), (104, 193182), (132, 152204), (143, 140496), (156, 128788), (176, 114153), (208, 96591), (264, 76102), (286, 70248), (312, 64394), (429, 46832), (528, 38051), (572, 35124), (624, 32197), (858, 23416), (1144, 17562), (1716, 11708), (2288, 8781), (2927, 6864), (3432, 5854)]