20363784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2579}}^1$

素因数の和:2642

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 39079416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2579, 2632, 3948, 5158, 7737, 7896, 10316, 15474, 18053, 20632, 30948, 36106, 54159, 61896, 72212, 108318, 121213, 144424, 216636, 242426, 363639, 433272, 484852, 727278, 848491, 969704, 1454556, 1696982, 2545473, 2909112, 3393964, 5090946, 6787928, 10181892, 20363784]

約数ペア:

[(1, 20363784), (2, 10181892), (3, 6787928), (4, 5090946), (6, 3393964), (7, 2909112), (8, 2545473), (12, 1696982), (14, 1454556), (21, 969704), (24, 848491), (28, 727278), (42, 484852), (47, 433272), (56, 363639), (84, 242426), (94, 216636), (141, 144424), (168, 121213), (188, 108318), (282, 72212), (329, 61896), (376, 54159), (564, 36106), (658, 30948), (987, 20632), (1128, 18053), (1316, 15474), (1974, 10316), (2579, 7896), (2632, 7737), (3948, 5158)]