20173963312

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{1303}}^1\times {\mathrm{1987}}^1$

素因数の和:3785

約数の個数: 40

約数和(自身を含む): 39217101056

約数和(自身を除く): 19043137744

約数列:

[1, 2, 4, 8, 16, 487, 974, 1303, 1948, 1987, 2606, 3896, 3974, 5212, 7792, 7948, 10424, 15896, 20848, 31792, 634561, 967669, 1269122, 1935338, 2538244, 2589061, 3870676, 5076488, 5178122, 7741352, 10152976, 10356244, 15482704, 20712488, 41424976, 1260872707, 2521745414, 5043490828, 10086981656, 20173963312]

約数ペア:

[(1, 20173963312), (2, 10086981656), (4, 5043490828), (8, 2521745414), (16, 1260872707), (487, 41424976), (974, 20712488), (1303, 15482704), (1948, 10356244), (1987, 10152976), (2606, 7741352), (3896, 5178122), (3974, 5076488), (5212, 3870676), (7792, 2589061), (7948, 2538244), (10424, 1935338), (15896, 1269122), (20848, 967669), (31792, 634561)]