20128496668

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{467713}}^1$

素因数の和:467806

約数の個数: 48

約数和(自身を含む): 42431014080

約数和(自身を除く): 22302517412

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 106, 116, 203, 212, 371, 406, 742, 812, 1484, 1537, 3074, 6148, 10759, 21518, 43036, 467713, 935426, 1870852, 3273991, 6547982, 13095964, 13563677, 24788789, 27127354, 49577578, 54254708, 94945739, 99155156, 173521523, 189891478, 347043046, 379782956, 694086092, 718874881, 1437749762, 2875499524, 5032124167, 10064248334, 20128496668]

約数ペア:

[(1, 20128496668), (2, 10064248334), (4, 5032124167), (7, 2875499524), (14, 1437749762), (28, 718874881), (29, 694086092), (53, 379782956), (58, 347043046), (106, 189891478), (116, 173521523), (203, 99155156), (212, 94945739), (371, 54254708), (406, 49577578), (742, 27127354), (812, 24788789), (1484, 13563677), (1537, 13095964), (3074, 6547982), (6148, 3273991), (10759, 1870852), (21518, 935426), (43036, 467713)]