20601375872

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67427}}^1$

素因数の和:67490

約数の個数: 128

約数和(自身を含む): 52820398080

約数和(自身を除く): 32219022208

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 128, 154, 176, 217, 224, 248, 308, 341, 352, 434, 448, 496, 616, 682, 704, 868, 896, 992, 1232, 1364, 1408, 1736, 1984, 2387, 2464, 2728, 3472, 3968, 4774, 4928, 5456, 6944, 9548, 9856, 10912, 13888, 19096, 21824, 27776, 38192, 43648, 67427, 76384, 134854, 152768, 269708, 305536, 471989, 539416, 741697, 943978, 1078832, 1483394, 1887956, 2090237, 2157664, 2966788, 3775912, 4180474, 4315328, 5191879, 5933576, 7551824, 8360948, 8630656, 10383758, 11867152, 14631659, 15103648, 16721896, 20767516, 22992607, 23734304, 29263318, 30207296, 33443792, 41535032, 45985214, 47468608, 58526636, 60414592, 66887584, 83070064, 91970428, 94937216, 117053272, 133775168, 160948249, 166140128, 183940856, 234106544, 267550336, 321896498, 332280256, 367881712, 468213088, 643792996, 664560512, 735763424, 936426176, 1287585992, 1471526848, 1872852352, 2575171984, 2943053696, 5150343968, 10300687936, 20601375872]

約数ペア:

[(1, 20601375872), (2, 10300687936), (4, 5150343968), (7, 2943053696), (8, 2575171984), (11, 1872852352), (14, 1471526848), (16, 1287585992), (22, 936426176), (28, 735763424), (31, 664560512), (32, 643792996), (44, 468213088), (56, 367881712), (62, 332280256), (64, 321896498), (77, 267550336), (88, 234106544), (112, 183940856), (124, 166140128), (128, 160948249), (154, 133775168), (176, 117053272), (217, 94937216), (224, 91970428), (248, 83070064), (308, 66887584), (341, 60414592), (352, 58526636), (434, 47468608), (448, 45985214), (496, 41535032), (616, 33443792), (682, 30207296), (704, 29263318), (868, 23734304), (896, 22992607), (992, 20767516), (1232, 16721896), (1364, 15103648), (1408, 14631659), (1736, 11867152), (1984, 10383758), (2387, 8630656), (2464, 8360948), (2728, 7551824), (3472, 5933576), (3968, 5191879), (4774, 4315328), (4928, 4180474), (5456, 3775912), (6944, 2966788), (9548, 2157664), (9856, 2090237), (10912, 1887956), (13888, 1483394), (19096, 1078832), (21824, 943978), (27776, 741697), (38192, 539416), (43648, 471989), (67427, 305536), (76384, 269708), (134854, 152768)]