20129270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1069}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 21472330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1069, 1345, 1883, 2138, 2690, 3766, 5345, 7483, 9415, 10690, 14966, 18830, 37415, 74830, 287561, 575122, 1437805, 2012927, 2875610, 4025854, 10064635, 20129270]

約数ペア:

[(1, 20129270), (2, 10064635), (5, 4025854), (7, 2875610), (10, 2012927), (14, 1437805), (35, 575122), (70, 287561), (269, 74830), (538, 37415), (1069, 18830), (1345, 14966), (1883, 10690), (2138, 9415), (2690, 7483), (3766, 5345)]