20171318860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{354007}}^1$

素因数の和:354071

約数の個数: 96

約数和(自身を含む): 54239689728

約数和(自身を除く): 34068370868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 770, 814, 1036, 1295, 1540, 1628, 2035, 2590, 2849, 4070, 5180, 5698, 8140, 11396, 14245, 28490, 56980, 354007, 708014, 1416028, 1770035, 2478049, 3540070, 3894077, 4956098, 7080140, 7788154, 9912196, 12390245, 13098259, 15576308, 19470385, 24780490, 26196518, 27258539, 38940770, 49560980, 52393036, 54517078, 65491295, 77881540, 91687813, 109034156, 130982590, 136292695, 144080849, 183375626, 261965180, 272585390, 288161698, 366751252, 458439065, 545170780, 576323396, 720404245, 916878130, 1008565943, 1440808490, 1833756260, 2017131886, 2881616980, 4034263772, 5042829715, 10085659430, 20171318860]

約数ペア:

[(1, 20171318860), (2, 10085659430), (4, 5042829715), (5, 4034263772), (7, 2881616980), (10, 2017131886), (11, 1833756260), (14, 1440808490), (20, 1008565943), (22, 916878130), (28, 720404245), (35, 576323396), (37, 545170780), (44, 458439065), (55, 366751252), (70, 288161698), (74, 272585390), (77, 261965180), (110, 183375626), (140, 144080849), (148, 136292695), (154, 130982590), (185, 109034156), (220, 91687813), (259, 77881540), (308, 65491295), (370, 54517078), (385, 52393036), (407, 49560980), (518, 38940770), (740, 27258539), (770, 26196518), (814, 24780490), (1036, 19470385), (1295, 15576308), (1540, 13098259), (1628, 12390245), (2035, 9912196), (2590, 7788154), (2849, 7080140), (4070, 4956098), (5180, 3894077), (5698, 3540070), (8140, 2478049), (11396, 1770035), (14245, 1416028), (28490, 708014), (56980, 354007)]