20871302418

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1051}}^1\times {\mathrm{25657}}^1$

素因数の和:26759

約数の個数: 48

約数和(自身を含む): 46318642656

約数和(自身を除く): 25447340238

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 1051, 2102, 3153, 6306, 9459, 18918, 25657, 45193, 51314, 76971, 90386, 135579, 153942, 230913, 271158, 406737, 461826, 813474, 1103251, 2206502, 3309753, 6619506, 9929259, 19858518, 26965507, 53931014, 80896521, 161793042, 242689563, 485379126, 1159516801, 2319033602, 3478550403, 6957100806, 10435651209, 20871302418]

約数ペア:

[(1, 20871302418), (2, 10435651209), (3, 6957100806), (6, 3478550403), (9, 2319033602), (18, 1159516801), (43, 485379126), (86, 242689563), (129, 161793042), (258, 80896521), (387, 53931014), (774, 26965507), (1051, 19858518), (2102, 9929259), (3153, 6619506), (6306, 3309753), (9459, 2206502), (18918, 1103251), (25657, 813474), (45193, 461826), (51314, 406737), (76971, 271158), (90386, 230913), (135579, 153942)]