20577760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1008

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 37966880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 967, 1064, 1120, 1330, 1520, 1934, 2128, 2660, 3040, 3868, 4256, 4835, 5320, 6769, 7736, 9670, 10640, 13538, 15472, 18373, 19340, 21280, 27076, 30944, 33845, 36746, 38680, 54152, 67690, 73492, 77360, 91865, 108304, 128611, 135380, 146984, 154720, 183730, 216608, 257222, 270760, 293968, 367460, 514444, 541520, 587936, 643055, 734920, 1028888, 1083040, 1286110, 1469840, 2057776, 2572220, 2939680, 4115552, 5144440, 10288880, 20577760]

約数ペア:

[(1, 20577760), (2, 10288880), (4, 5144440), (5, 4115552), (7, 2939680), (8, 2572220), (10, 2057776), (14, 1469840), (16, 1286110), (19, 1083040), (20, 1028888), (28, 734920), (32, 643055), (35, 587936), (38, 541520), (40, 514444), (56, 367460), (70, 293968), (76, 270760), (80, 257222), (95, 216608), (112, 183730), (133, 154720), (140, 146984), (152, 135380), (160, 128611), (190, 108304), (224, 91865), (266, 77360), (280, 73492), (304, 67690), (380, 54152), (532, 38680), (560, 36746), (608, 33845), (665, 30944), (760, 27076), (967, 21280), (1064, 19340), (1120, 18373), (1330, 15472), (1520, 13538), (1934, 10640), (2128, 9670), (2660, 7736), (3040, 6769), (3868, 5320), (4256, 4835)]