20634990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2557}}^1$

素因数の和:2836

約数の個数: 32

約数和(自身を含む): 49727520

約数和(自身を除く): 29092530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2557, 2690, 4035, 5114, 7671, 8070, 12785, 15342, 25570, 38355, 76710, 687833, 1375666, 2063499, 3439165, 4126998, 6878330, 10317495, 20634990]

約数ペア:

[(1, 20634990), (2, 10317495), (3, 6878330), (5, 4126998), (6, 3439165), (10, 2063499), (15, 1375666), (30, 687833), (269, 76710), (538, 38355), (807, 25570), (1345, 15342), (1614, 12785), (2557, 8070), (2690, 7671), (4035, 5114)]