20797590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 38922090

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 31, 33, 38, 55, 57, 62, 66, 93, 95, 107, 110, 114, 155, 165, 186, 190, 209, 214, 285, 310, 321, 330, 341, 418, 465, 535, 570, 589, 627, 642, 682, 930, 1023, 1045, 1070, 1177, 1178, 1254, 1605, 1705, 1767, 2033, 2046, 2090, 2354, 2945, 3135, 3210, 3317, 3410, 3531, 3534, 4066, 5115, 5885, 5890, 6099, 6270, 6479, 6634, 7062, 8835, 9951, 10165, 10230, 11770, 12198, 12958, 16585, 17655, 17670, 19437, 19902, 20330, 22363, 30495, 32395, 33170, 35310, 36487, 38874, 44726, 49755, 60990, 63023, 64790, 67089, 72974, 97185, 99510, 109461, 111815, 126046, 134178, 182435, 189069, 194370, 218922, 223630, 315115, 335445, 364870, 378138, 547305, 630230, 670890, 693253, 945345, 1094610, 1386506, 1890690, 2079759, 3466265, 4159518, 6932530, 10398795, 20797590]

約数ペア:

[(1, 20797590), (2, 10398795), (3, 6932530), (5, 4159518), (6, 3466265), (10, 2079759), (11, 1890690), (15, 1386506), (19, 1094610), (22, 945345), (30, 693253), (31, 670890), (33, 630230), (38, 547305), (55, 378138), (57, 364870), (62, 335445), (66, 315115), (93, 223630), (95, 218922), (107, 194370), (110, 189069), (114, 182435), (155, 134178), (165, 126046), (186, 111815), (190, 109461), (209, 99510), (214, 97185), (285, 72974), (310, 67089), (321, 64790), (330, 63023), (341, 60990), (418, 49755), (465, 44726), (535, 38874), (570, 36487), (589, 35310), (627, 33170), (642, 32395), (682, 30495), (930, 22363), (1023, 20330), (1045, 19902), (1070, 19437), (1177, 17670), (1178, 17655), (1254, 16585), (1605, 12958), (1705, 12198), (1767, 11770), (2033, 10230), (2046, 10165), (2090, 9951), (2354, 8835), (2945, 7062), (3135, 6634), (3210, 6479), (3317, 6270), (3410, 6099), (3531, 5890), (3534, 5885), (4066, 5115)]