20445421120

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{3851}}^1$

素因数の和:4268

約数の個数: 112

約数和(自身を含む): 49875326208

約数和(自身を除く): 29429905088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 353, 376, 470, 706, 752, 940, 1412, 1504, 1765, 1880, 2824, 3008, 3530, 3760, 3851, 5648, 7060, 7520, 7702, 11296, 14120, 15040, 15404, 16591, 19255, 22592, 28240, 30808, 33182, 38510, 56480, 61616, 66364, 77020, 82955, 112960, 123232, 132728, 154040, 165910, 180997, 246464, 265456, 308080, 331820, 361994, 530912, 616160, 663640, 723988, 904985, 1061824, 1232320, 1327280, 1359403, 1447976, 1809970, 2654560, 2718806, 2895952, 3619940, 5309120, 5437612, 5791904, 6797015, 7239880, 10875224, 11583808, 13594030, 14479760, 21750448, 27188060, 28959520, 43500896, 54376120, 57919040, 63891941, 87001792, 108752240, 127783882, 217504480, 255567764, 319459705, 435008960, 511135528, 638919410, 1022271056, 1277838820, 2044542112, 2555677640, 4089084224, 5111355280, 10222710560, 20445421120]

約数ペア:

[(1, 20445421120), (2, 10222710560), (4, 5111355280), (5, 4089084224), (8, 2555677640), (10, 2044542112), (16, 1277838820), (20, 1022271056), (32, 638919410), (40, 511135528), (47, 435008960), (64, 319459705), (80, 255567764), (94, 217504480), (160, 127783882), (188, 108752240), (235, 87001792), (320, 63891941), (353, 57919040), (376, 54376120), (470, 43500896), (706, 28959520), (752, 27188060), (940, 21750448), (1412, 14479760), (1504, 13594030), (1765, 11583808), (1880, 10875224), (2824, 7239880), (3008, 6797015), (3530, 5791904), (3760, 5437612), (3851, 5309120), (5648, 3619940), (7060, 2895952), (7520, 2718806), (7702, 2654560), (11296, 1809970), (14120, 1447976), (15040, 1359403), (15404, 1327280), (16591, 1232320), (19255, 1061824), (22592, 904985), (28240, 723988), (30808, 663640), (33182, 616160), (38510, 530912), (56480, 361994), (61616, 331820), (66364, 308080), (77020, 265456), (82955, 246464), (112960, 180997), (123232, 165910), (132728, 154040)]