20120850018

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{3539}}^1$

素因数の和:4044

約数の個数: 96

約数和(自身を含む): 47077355520

約数和(自身を除く): 26956505502

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 443, 558, 713, 886, 1329, 1426, 2139, 2658, 3539, 3987, 4278, 6417, 7078, 7974, 10189, 10617, 12834, 13733, 20378, 21234, 27466, 30567, 31851, 41199, 61134, 63702, 81397, 82398, 91701, 109709, 123597, 162794, 183402, 219418, 244191, 247194, 315859, 329127, 488382, 631718, 658254, 732573, 947577, 987381, 1465146, 1567777, 1895154, 1974762, 2523307, 2842731, 3135554, 4703331, 5046614, 5685462, 7569921, 9406662, 14109993, 15139842, 22709763, 28219986, 36058871, 45419526, 48601087, 72117742, 97202174, 108176613, 145803261, 216353226, 291606522, 324529839, 437409783, 649059678, 874819566, 1117825001, 2235650002, 3353475003, 6706950006, 10060425009, 20120850018]

約数ペア:

[(1, 20120850018), (2, 10060425009), (3, 6706950006), (6, 3353475003), (9, 2235650002), (18, 1117825001), (23, 874819566), (31, 649059678), (46, 437409783), (62, 324529839), (69, 291606522), (93, 216353226), (138, 145803261), (186, 108176613), (207, 97202174), (279, 72117742), (414, 48601087), (443, 45419526), (558, 36058871), (713, 28219986), (886, 22709763), (1329, 15139842), (1426, 14109993), (2139, 9406662), (2658, 7569921), (3539, 5685462), (3987, 5046614), (4278, 4703331), (6417, 3135554), (7078, 2842731), (7974, 2523307), (10189, 1974762), (10617, 1895154), (12834, 1567777), (13733, 1465146), (20378, 987381), (21234, 947577), (27466, 732573), (30567, 658254), (31851, 631718), (41199, 488382), (61134, 329127), (63702, 315859), (81397, 247194), (82398, 244191), (91701, 219418), (109709, 183402), (123597, 162794)]