20164746520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{2399}}^1$

素因数の和:2737

約数の個数: 128

約数和(自身を含む): 49268736000

約数和(自身を除く): 29103989480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 263, 340, 376, 470, 526, 680, 799, 940, 1052, 1315, 1598, 1880, 2104, 2399, 2630, 3196, 3995, 4471, 4798, 5260, 6392, 7990, 8942, 9596, 10520, 11995, 12361, 15980, 17884, 19192, 22355, 23990, 24722, 31960, 35768, 40783, 44710, 47980, 49444, 61805, 81566, 89420, 95960, 98888, 112753, 123610, 163132, 178840, 203915, 210137, 225506, 247220, 326264, 407830, 420274, 451012, 494440, 563765, 630937, 815660, 840548, 902024, 1050685, 1127530, 1261874, 1631320, 1681096, 1916801, 2101370, 2255060, 2523748, 3154685, 3833602, 4202740, 4510120, 5047496, 6309370, 7667204, 8405480, 9584005, 10725929, 12618740, 15334408, 19168010, 21451858, 25237480, 29654039, 38336020, 42903716, 53629645, 59308078, 76672040, 85807432, 107259290, 118616156, 148270195, 214518580, 237232312, 296540390, 429037160, 504118663, 593080780, 1008237326, 1186161560, 2016474652, 2520593315, 4032949304, 5041186630, 10082373260, 20164746520]

約数ペア:

[(1, 20164746520), (2, 10082373260), (4, 5041186630), (5, 4032949304), (8, 2520593315), (10, 2016474652), (17, 1186161560), (20, 1008237326), (34, 593080780), (40, 504118663), (47, 429037160), (68, 296540390), (85, 237232312), (94, 214518580), (136, 148270195), (170, 118616156), (188, 107259290), (235, 85807432), (263, 76672040), (340, 59308078), (376, 53629645), (470, 42903716), (526, 38336020), (680, 29654039), (799, 25237480), (940, 21451858), (1052, 19168010), (1315, 15334408), (1598, 12618740), (1880, 10725929), (2104, 9584005), (2399, 8405480), (2630, 7667204), (3196, 6309370), (3995, 5047496), (4471, 4510120), (4798, 4202740), (5260, 3833602), (6392, 3154685), (7990, 2523748), (8942, 2255060), (9596, 2101370), (10520, 1916801), (11995, 1681096), (12361, 1631320), (15980, 1261874), (17884, 1127530), (19192, 1050685), (22355, 902024), (23990, 840548), (24722, 815660), (31960, 630937), (35768, 563765), (40783, 494440), (44710, 451012), (47980, 420274), (49444, 407830), (61805, 326264), (81566, 247220), (89420, 225506), (95960, 210137), (98888, 203915), (112753, 178840), (123610, 163132)]