20442180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 43424700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 47, 55, 60, 66, 94, 110, 132, 141, 165, 188, 220, 235, 282, 330, 470, 517, 564, 659, 660, 705, 940, 1034, 1318, 1410, 1551, 1977, 2068, 2585, 2636, 2820, 3102, 3295, 3954, 5170, 6204, 6590, 7249, 7755, 7908, 9885, 10340, 13180, 14498, 15510, 19770, 21747, 28996, 30973, 31020, 36245, 39540, 43494, 61946, 72490, 86988, 92919, 108735, 123892, 144980, 154865, 185838, 217470, 309730, 340703, 371676, 434940, 464595, 619460, 681406, 929190, 1022109, 1362812, 1703515, 1858380, 2044218, 3407030, 4088436, 5110545, 6814060, 10221090, 20442180]

約数ペア:

[(1, 20442180), (2, 10221090), (3, 6814060), (4, 5110545), (5, 4088436), (6, 3407030), (10, 2044218), (11, 1858380), (12, 1703515), (15, 1362812), (20, 1022109), (22, 929190), (30, 681406), (33, 619460), (44, 464595), (47, 434940), (55, 371676), (60, 340703), (66, 309730), (94, 217470), (110, 185838), (132, 154865), (141, 144980), (165, 123892), (188, 108735), (220, 92919), (235, 86988), (282, 72490), (330, 61946), (470, 43494), (517, 39540), (564, 36245), (659, 31020), (660, 30973), (705, 28996), (940, 21747), (1034, 19770), (1318, 15510), (1410, 14498), (1551, 13180), (1977, 10340), (2068, 9885), (2585, 7908), (2636, 7755), (2820, 7249), (3102, 6590), (3295, 6204), (3954, 5170)]