20011040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1090

約数の個数: 96

約数和(自身を含む): 57262464

約数和(自身を除く): 37251424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1051, 1120, 1190, 1360, 1904, 2102, 2380, 2720, 3808, 4204, 4760, 5255, 7357, 8408, 9520, 10510, 14714, 16816, 17867, 19040, 21020, 29428, 33632, 35734, 36785, 42040, 58856, 71468, 73570, 84080, 89335, 117712, 125069, 142936, 147140, 168160, 178670, 235424, 250138, 285872, 294280, 357340, 500276, 571744, 588560, 625345, 714680, 1000552, 1177120, 1250690, 1429360, 2001104, 2501380, 2858720, 4002208, 5002760, 10005520, 20011040]

約数ペア:

[(1, 20011040), (2, 10005520), (4, 5002760), (5, 4002208), (7, 2858720), (8, 2501380), (10, 2001104), (14, 1429360), (16, 1250690), (17, 1177120), (20, 1000552), (28, 714680), (32, 625345), (34, 588560), (35, 571744), (40, 500276), (56, 357340), (68, 294280), (70, 285872), (80, 250138), (85, 235424), (112, 178670), (119, 168160), (136, 147140), (140, 142936), (160, 125069), (170, 117712), (224, 89335), (238, 84080), (272, 73570), (280, 71468), (340, 58856), (476, 42040), (544, 36785), (560, 35734), (595, 33632), (680, 29428), (952, 21020), (1051, 19040), (1120, 17867), (1190, 16816), (1360, 14714), (1904, 10510), (2102, 9520), (2380, 8408), (2720, 7357), (3808, 5255), (4204, 4760)]