20145155656

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1\times {\mathrm{811}}^1$

素因数の和:1466

約数の個数: 64

約数和(自身を含む): 39023550720

約数和(自身を除く): 18878395064

約数列:

[1, 2, 4, 8, 43, 86, 163, 172, 326, 344, 443, 652, 811, 886, 1304, 1622, 1772, 3244, 3544, 6488, 7009, 14018, 19049, 28036, 34873, 38098, 56072, 69746, 72209, 76196, 132193, 139492, 144418, 152392, 264386, 278984, 288836, 359273, 528772, 577672, 718546, 1057544, 1437092, 2874184, 3104987, 5684299, 6209974, 11368598, 12419948, 15448739, 22737196, 24839896, 30897478, 45474392, 58561499, 61794956, 117122998, 123589912, 234245996, 468491992, 2518144457, 5036288914, 10072577828, 20145155656]

約数ペア:

[(1, 20145155656), (2, 10072577828), (4, 5036288914), (8, 2518144457), (43, 468491992), (86, 234245996), (163, 123589912), (172, 117122998), (326, 61794956), (344, 58561499), (443, 45474392), (652, 30897478), (811, 24839896), (886, 22737196), (1304, 15448739), (1622, 12419948), (1772, 11368598), (3244, 6209974), (3544, 5684299), (6488, 3104987), (7009, 2874184), (14018, 1437092), (19049, 1057544), (28036, 718546), (34873, 577672), (38098, 528772), (56072, 359273), (69746, 288836), (72209, 278984), (76196, 264386), (132193, 152392), (139492, 144418)]