20197554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8353}}^1$

素因数の和:8402

約数の個数: 32

約数和(自身を含む): 44911104

約数和(自身を除く): 24713550

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8353, 16706, 25059, 50118, 108589, 217178, 258943, 325767, 517886, 651534, 776829, 1553658, 3366259, 6732518, 10098777, 20197554]

約数ペア:

[(1, 20197554), (2, 10098777), (3, 6732518), (6, 3366259), (13, 1553658), (26, 776829), (31, 651534), (39, 517886), (62, 325767), (78, 258943), (93, 217178), (186, 108589), (403, 50118), (806, 25059), (1209, 16706), (2418, 8353)]