20345136

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 60615168

約数和(自身を除く): 40270032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 151, 168, 302, 336, 401, 453, 604, 802, 906, 1057, 1203, 1208, 1604, 1812, 2114, 2406, 2416, 2807, 3171, 3208, 3624, 4228, 4812, 5614, 6342, 6416, 7248, 8421, 8456, 9624, 11228, 12684, 16842, 16912, 19248, 22456, 25368, 33684, 44912, 50736, 60551, 67368, 121102, 134736, 181653, 242204, 363306, 423857, 484408, 726612, 847714, 968816, 1271571, 1453224, 1695428, 2543142, 2906448, 3390856, 5086284, 6781712, 10172568, 20345136]

約数ペア:

[(1, 20345136), (2, 10172568), (3, 6781712), (4, 5086284), (6, 3390856), (7, 2906448), (8, 2543142), (12, 1695428), (14, 1453224), (16, 1271571), (21, 968816), (24, 847714), (28, 726612), (42, 484408), (48, 423857), (56, 363306), (84, 242204), (112, 181653), (151, 134736), (168, 121102), (302, 67368), (336, 60551), (401, 50736), (453, 44912), (604, 33684), (802, 25368), (906, 22456), (1057, 19248), (1203, 16912), (1208, 16842), (1604, 12684), (1812, 11228), (2114, 9624), (2406, 8456), (2416, 8421), (2807, 7248), (3171, 6416), (3208, 6342), (3624, 5614), (4228, 4812)]