20488637312

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{12577}}^1$

素因数の和:12704

約数の個数: 128

約数和(自身を含む): 48495736800

約数和(自身を除く): 28007099488

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 89, 104, 128, 143, 176, 178, 208, 286, 352, 356, 416, 572, 704, 712, 832, 979, 1144, 1157, 1408, 1424, 1664, 1958, 2288, 2314, 2848, 3916, 4576, 4628, 5696, 7832, 9152, 9256, 11392, 12577, 12727, 15664, 18304, 18512, 25154, 25454, 31328, 37024, 50308, 50908, 62656, 74048, 100616, 101816, 125312, 138347, 148096, 163501, 201232, 203632, 276694, 327002, 402464, 407264, 553388, 654004, 804928, 814528, 1106776, 1119353, 1308008, 1609856, 1629056, 1798511, 2213552, 2238706, 2616016, 3597022, 4427104, 4477412, 5232032, 7194044, 8854208, 8954824, 10464064, 12312883, 14388088, 14551589, 17708416, 17909648, 20928128, 24625766, 28776176, 29103178, 35819296, 49251532, 57552352, 58206356, 71638592, 98503064, 115104704, 116412712, 143277184, 160067479, 197006128, 230209408, 232825424, 320134958, 394012256, 465650848, 640269916, 788024512, 931301696, 1280539832, 1576049024, 1862603392, 2561079664, 5122159328, 10244318656, 20488637312]

約数ペア:

[(1, 20488637312), (2, 10244318656), (4, 5122159328), (8, 2561079664), (11, 1862603392), (13, 1576049024), (16, 1280539832), (22, 931301696), (26, 788024512), (32, 640269916), (44, 465650848), (52, 394012256), (64, 320134958), (88, 232825424), (89, 230209408), (104, 197006128), (128, 160067479), (143, 143277184), (176, 116412712), (178, 115104704), (208, 98503064), (286, 71638592), (352, 58206356), (356, 57552352), (416, 49251532), (572, 35819296), (704, 29103178), (712, 28776176), (832, 24625766), (979, 20928128), (1144, 17909648), (1157, 17708416), (1408, 14551589), (1424, 14388088), (1664, 12312883), (1958, 10464064), (2288, 8954824), (2314, 8854208), (2848, 7194044), (3916, 5232032), (4576, 4477412), (4628, 4427104), (5696, 3597022), (7832, 2616016), (9152, 2238706), (9256, 2213552), (11392, 1798511), (12577, 1629056), (12727, 1609856), (15664, 1308008), (18304, 1119353), (18512, 1106776), (25154, 814528), (25454, 804928), (31328, 654004), (37024, 553388), (50308, 407264), (50908, 402464), (62656, 327002), (74048, 276694), (100616, 203632), (101816, 201232), (125312, 163501), (138347, 148096)]