20994498

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55541}}^1$

素因数の和:55559

約数の個数: 32

約数和(自身を含む): 53320320

約数和(自身を除く): 32325822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55541, 111082, 166623, 333246, 388787, 499869, 777574, 999738, 1166361, 1499607, 2332722, 2999214, 3499083, 6998166, 10497249, 20994498]

約数ペア:

[(1, 20994498), (2, 10497249), (3, 6998166), (6, 3499083), (7, 2999214), (9, 2332722), (14, 1499607), (18, 1166361), (21, 999738), (27, 777574), (42, 499869), (54, 388787), (63, 333246), (126, 166623), (189, 111082), (378, 55541)]