20897316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 58260384

約数和(自身を除く): 37363068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 113, 132, 198, 226, 339, 396, 452, 467, 678, 934, 1017, 1243, 1356, 1401, 1868, 2034, 2486, 2802, 3729, 4068, 4203, 4972, 5137, 5604, 7458, 8406, 10274, 11187, 14916, 15411, 16812, 20548, 22374, 30822, 44748, 46233, 52771, 61644, 92466, 105542, 158313, 184932, 211084, 316626, 474939, 580481, 633252, 949878, 1160962, 1741443, 1899756, 2321924, 3482886, 5224329, 6965772, 10448658, 20897316]

約数ペア:

[(1, 20897316), (2, 10448658), (3, 6965772), (4, 5224329), (6, 3482886), (9, 2321924), (11, 1899756), (12, 1741443), (18, 1160962), (22, 949878), (33, 633252), (36, 580481), (44, 474939), (66, 316626), (99, 211084), (113, 184932), (132, 158313), (198, 105542), (226, 92466), (339, 61644), (396, 52771), (452, 46233), (467, 44748), (678, 30822), (934, 22374), (1017, 20548), (1243, 16812), (1356, 15411), (1401, 14916), (1868, 11187), (2034, 10274), (2486, 8406), (2802, 7458), (3729, 5604), (4068, 5137), (4203, 4972)]