20571837020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{183907}}^1$

素因数の和:183987

約数の個数: 96

約数和(自身を含む): 53389228032

約数和(自身を除く): 32817391012

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 68, 70, 85, 94, 119, 140, 170, 188, 235, 238, 329, 340, 470, 476, 595, 658, 799, 940, 1190, 1316, 1598, 1645, 2380, 3196, 3290, 3995, 5593, 6580, 7990, 11186, 15980, 22372, 27965, 55930, 111860, 183907, 367814, 735628, 919535, 1287349, 1839070, 2574698, 3126419, 3678140, 5149396, 6252838, 6436745, 8643629, 12505676, 12873490, 15632095, 17287258, 21884933, 25746980, 31264190, 34574516, 43218145, 43769866, 60505403, 62528380, 86436290, 87539732, 109424665, 121010806, 146941693, 172872580, 218849330, 242021612, 293883386, 302527015, 437698660, 587766772, 605054030, 734708465, 1028591851, 1210108060, 1469416930, 2057183702, 2938833860, 4114367404, 5142959255, 10285918510, 20571837020]

約数ペア:

[(1, 20571837020), (2, 10285918510), (4, 5142959255), (5, 4114367404), (7, 2938833860), (10, 2057183702), (14, 1469416930), (17, 1210108060), (20, 1028591851), (28, 734708465), (34, 605054030), (35, 587766772), (47, 437698660), (68, 302527015), (70, 293883386), (85, 242021612), (94, 218849330), (119, 172872580), (140, 146941693), (170, 121010806), (188, 109424665), (235, 87539732), (238, 86436290), (329, 62528380), (340, 60505403), (470, 43769866), (476, 43218145), (595, 34574516), (658, 31264190), (799, 25746980), (940, 21884933), (1190, 17287258), (1316, 15632095), (1598, 12873490), (1645, 12505676), (2380, 8643629), (3196, 6436745), (3290, 6252838), (3995, 5149396), (5593, 3678140), (6580, 3126419), (7990, 2574698), (11186, 1839070), (15980, 1287349), (22372, 919535), (27965, 735628), (55930, 367814), (111860, 183907)]