20157948

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4409}}^1$

素因数の和:4546

約数の個数: 36

約数和(自身を含む): 51367680

約数和(自身を除く): 31209732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4409, 4572, 8818, 13227, 17636, 26454, 39681, 52908, 79362, 158724, 559943, 1119886, 1679829, 2239772, 3359658, 5039487, 6719316, 10078974, 20157948]

約数ペア:

[(1, 20157948), (2, 10078974), (3, 6719316), (4, 5039487), (6, 3359658), (9, 2239772), (12, 1679829), (18, 1119886), (36, 559943), (127, 158724), (254, 79362), (381, 52908), (508, 39681), (762, 26454), (1143, 17636), (1524, 13227), (2286, 8818), (4409, 4572)]