20811882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:883

約数の個数: 64

約数和(自身を含む): 52383744

約数和(自身を除く): 31571862

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 811, 987, 1222, 1622, 1833, 1974, 2433, 3666, 4277, 4866, 5677, 8554, 10543, 11354, 12831, 17031, 21086, 25662, 31629, 34062, 38117, 63258, 73801, 76234, 114351, 147602, 221403, 228702, 266819, 442806, 495521, 533638, 800457, 991042, 1486563, 1600914, 2973126, 3468647, 6937294, 10405941, 20811882]

約数ペア:

[(1, 20811882), (2, 10405941), (3, 6937294), (6, 3468647), (7, 2973126), (13, 1600914), (14, 1486563), (21, 991042), (26, 800457), (39, 533638), (42, 495521), (47, 442806), (78, 266819), (91, 228702), (94, 221403), (141, 147602), (182, 114351), (273, 76234), (282, 73801), (329, 63258), (546, 38117), (611, 34062), (658, 31629), (811, 25662), (987, 21086), (1222, 17031), (1622, 12831), (1833, 11354), (1974, 10543), (2433, 8554), (3666, 5677), (4277, 4866)]