20170193456

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{18047}}^1$

素因数の和:18666

約数の個数: 80

約数和(自身を含む): 47372967936

約数和(自身を除く): 27202774480

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 587, 952, 1174, 1904, 2348, 4109, 4696, 8218, 9392, 9979, 16436, 18047, 19958, 32872, 36094, 39916, 65744, 69853, 72188, 79832, 126329, 139706, 144376, 159664, 252658, 279412, 288752, 306799, 505316, 558824, 613598, 1010632, 1117648, 1227196, 2021264, 2147593, 2454392, 4295186, 4908784, 8590372, 10593589, 17180744, 21187178, 34361488, 42374356, 74155123, 84748712, 148310246, 169497424, 180091013, 296620492, 360182026, 593240984, 720364052, 1186481968, 1260637091, 1440728104, 2521274182, 2881456208, 5042548364, 10085096728, 20170193456]

約数ペア:

[(1, 20170193456), (2, 10085096728), (4, 5042548364), (7, 2881456208), (8, 2521274182), (14, 1440728104), (16, 1260637091), (17, 1186481968), (28, 720364052), (34, 593240984), (56, 360182026), (68, 296620492), (112, 180091013), (119, 169497424), (136, 148310246), (238, 84748712), (272, 74155123), (476, 42374356), (587, 34361488), (952, 21187178), (1174, 17180744), (1904, 10593589), (2348, 8590372), (4109, 4908784), (4696, 4295186), (8218, 2454392), (9392, 2147593), (9979, 2021264), (16436, 1227196), (18047, 1117648), (19958, 1010632), (32872, 613598), (36094, 558824), (39916, 505316), (65744, 306799), (69853, 288752), (72188, 279412), (79832, 252658), (126329, 159664), (139706, 144376)]