20172597616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1\times {\mathrm{2251}}^1$

素因数の和:3038

約数の個数: 80

約数和(自身を含む): 42222297600

約数和(自身を除く): 22049699984

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 719, 779, 1438, 1558, 2251, 2876, 3116, 4502, 5752, 6232, 9004, 11504, 12464, 13661, 18008, 27322, 29479, 36016, 42769, 54644, 58958, 85538, 92291, 109288, 117916, 171076, 184582, 218576, 235832, 342152, 369164, 471664, 560101, 684304, 738328, 1120202, 1476656, 1618469, 1753529, 2240404, 3236938, 3507058, 4480808, 6473876, 7014116, 8961616, 12947752, 14028232, 25895504, 28056464, 30750911, 61501822, 66357229, 123003644, 132714458, 246007288, 265428916, 492014576, 530857832, 1061715664, 1260787351, 2521574702, 5043149404, 10086298808, 20172597616]

約数ペア:

[(1, 20172597616), (2, 10086298808), (4, 5043149404), (8, 2521574702), (16, 1260787351), (19, 1061715664), (38, 530857832), (41, 492014576), (76, 265428916), (82, 246007288), (152, 132714458), (164, 123003644), (304, 66357229), (328, 61501822), (656, 30750911), (719, 28056464), (779, 25895504), (1438, 14028232), (1558, 12947752), (2251, 8961616), (2876, 7014116), (3116, 6473876), (4502, 4480808), (5752, 3507058), (6232, 3236938), (9004, 2240404), (11504, 1753529), (12464, 1618469), (13661, 1476656), (18008, 1120202), (27322, 738328), (29479, 684304), (36016, 560101), (42769, 471664), (54644, 369164), (58958, 342152), (85538, 235832), (92291, 218576), (109288, 184582), (117916, 171076)]