20996957490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1\times {\mathrm{9643}}^1$

素因数の和:10235

約数の個数: 64

約数和(自身を含む): 50802740352

約数和(自身を除く): 29805782862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 181, 362, 401, 543, 802, 905, 1086, 1203, 1810, 2005, 2406, 2715, 4010, 5430, 6015, 9643, 12030, 19286, 28929, 48215, 57858, 72581, 96430, 144645, 145162, 217743, 289290, 362905, 435486, 725810, 1088715, 1745383, 2177430, 3490766, 3866843, 5236149, 7733686, 8726915, 10472298, 11600529, 17453830, 19334215, 23201058, 26180745, 38668430, 52361490, 58002645, 116005290, 699898583, 1399797166, 2099695749, 3499492915, 4199391498, 6998985830, 10498478745, 20996957490]

約数ペア:

[(1, 20996957490), (2, 10498478745), (3, 6998985830), (5, 4199391498), (6, 3499492915), (10, 2099695749), (15, 1399797166), (30, 699898583), (181, 116005290), (362, 58002645), (401, 52361490), (543, 38668430), (802, 26180745), (905, 23201058), (1086, 19334215), (1203, 17453830), (1810, 11600529), (2005, 10472298), (2406, 8726915), (2715, 7733686), (4010, 5236149), (5430, 3866843), (6015, 3490766), (9643, 2177430), (12030, 1745383), (19286, 1088715), (28929, 725810), (48215, 435486), (57858, 362905), (72581, 289290), (96430, 217743), (144645, 145162)]