20533920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3889}}^1$

素因数の和:3918

約数の個数: 96

約数和(自身を含む): 70580160

約数和(自身を除く): 50046240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3889, 5280, 7778, 11667, 15556, 19445, 23334, 31112, 38890, 42779, 46668, 58335, 62224, 77780, 85558, 93336, 116670, 124448, 128337, 155560, 171116, 186672, 213895, 233340, 256674, 311120, 342232, 373344, 427790, 466680, 513348, 622240, 641685, 684464, 855580, 933360, 1026696, 1283370, 1368928, 1711160, 1866720, 2053392, 2566740, 3422320, 4106784, 5133480, 6844640, 10266960, 20533920]

約数ペア:

[(1, 20533920), (2, 10266960), (3, 6844640), (4, 5133480), (5, 4106784), (6, 3422320), (8, 2566740), (10, 2053392), (11, 1866720), (12, 1711160), (15, 1368928), (16, 1283370), (20, 1026696), (22, 933360), (24, 855580), (30, 684464), (32, 641685), (33, 622240), (40, 513348), (44, 466680), (48, 427790), (55, 373344), (60, 342232), (66, 311120), (80, 256674), (88, 233340), (96, 213895), (110, 186672), (120, 171116), (132, 155560), (160, 128337), (165, 124448), (176, 116670), (220, 93336), (240, 85558), (264, 77780), (330, 62224), (352, 58335), (440, 46668), (480, 42779), (528, 38890), (660, 31112), (880, 23334), (1056, 19445), (1320, 15556), (1760, 11667), (2640, 7778), (3889, 5280)]