20199231380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{7517}}^1$

素因数の和:7709

約数の個数: 96

約数和(自身を含む): 45355191840

約数和(自身を除く): 25155960460

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 113, 116, 145, 164, 205, 226, 290, 410, 452, 565, 580, 820, 1130, 1189, 2260, 2378, 3277, 4633, 4756, 5945, 6554, 7517, 9266, 11890, 13108, 15034, 16385, 18532, 23165, 23780, 30068, 32770, 37585, 46330, 65540, 75170, 92660, 134357, 150340, 217993, 268714, 308197, 435986, 537428, 616394, 671785, 849421, 871972, 1089965, 1232788, 1343570, 1540985, 1698842, 2179930, 2687140, 3081970, 3397684, 4247105, 4359860, 6163940, 8494210, 8937713, 16988420, 17875426, 24633209, 34826261, 35750852, 44688565, 49266418, 69652522, 89377130, 98532836, 123166045, 139305044, 174131305, 178754260, 246332090, 348262610, 492664180, 696525220, 1009961569, 2019923138, 4039846276, 5049807845, 10099615690, 20199231380]

約数ペア:

[(1, 20199231380), (2, 10099615690), (4, 5049807845), (5, 4039846276), (10, 2019923138), (20, 1009961569), (29, 696525220), (41, 492664180), (58, 348262610), (82, 246332090), (113, 178754260), (116, 174131305), (145, 139305044), (164, 123166045), (205, 98532836), (226, 89377130), (290, 69652522), (410, 49266418), (452, 44688565), (565, 35750852), (580, 34826261), (820, 24633209), (1130, 17875426), (1189, 16988420), (2260, 8937713), (2378, 8494210), (3277, 6163940), (4633, 4359860), (4756, 4247105), (5945, 3397684), (6554, 3081970), (7517, 2687140), (9266, 2179930), (11890, 1698842), (13108, 1540985), (15034, 1343570), (16385, 1232788), (18532, 1089965), (23165, 871972), (23780, 849421), (30068, 671785), (32770, 616394), (37585, 537428), (46330, 435986), (65540, 308197), (75170, 268714), (92660, 217993), (134357, 150340)]