20766354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 30244206

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 53, 57, 106, 114, 133, 159, 266, 318, 371, 399, 491, 742, 798, 982, 1007, 1113, 1473, 2014, 2226, 2946, 3021, 3437, 6042, 6874, 7049, 9329, 10311, 14098, 18658, 20622, 21147, 26023, 27987, 42294, 52046, 55974, 65303, 78069, 130606, 156138, 182161, 195909, 364322, 391818, 494437, 546483, 988874, 1092966, 1483311, 2966622, 3461059, 6922118, 10383177, 20766354]

約数ペア:

[(1, 20766354), (2, 10383177), (3, 6922118), (6, 3461059), (7, 2966622), (14, 1483311), (19, 1092966), (21, 988874), (38, 546483), (42, 494437), (53, 391818), (57, 364322), (106, 195909), (114, 182161), (133, 156138), (159, 130606), (266, 78069), (318, 65303), (371, 55974), (399, 52046), (491, 42294), (742, 27987), (798, 26023), (982, 21147), (1007, 20622), (1113, 18658), (1473, 14098), (2014, 10311), (2226, 9329), (2946, 7049), (3021, 6874), (3437, 6042)]