20946438

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:794

約数の個数: 40

約数和(自身を含む): 47219040

約数和(自身を除く): 26272602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 541, 717, 1082, 1434, 1623, 2151, 3246, 4302, 4869, 6453, 9738, 12906, 14607, 19359, 29214, 38718, 43821, 87642, 129299, 258598, 387897, 775794, 1163691, 2327382, 3491073, 6982146, 10473219, 20946438]

約数ペア:

[(1, 20946438), (2, 10473219), (3, 6982146), (6, 3491073), (9, 2327382), (18, 1163691), (27, 775794), (54, 387897), (81, 258598), (162, 129299), (239, 87642), (478, 43821), (541, 38718), (717, 29214), (1082, 19359), (1434, 14607), (1623, 12906), (2151, 9738), (3246, 6453), (4302, 4869)]