20976360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2609}}^1$

素因数の和:2690

約数の個数: 64

約数和(自身を含む): 63892800

約数和(自身を除く): 42916440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2609, 2680, 4020, 5218, 7827, 8040, 10436, 13045, 15654, 20872, 26090, 31308, 39135, 52180, 62616, 78270, 104360, 156540, 174803, 313080, 349606, 524409, 699212, 874015, 1048818, 1398424, 1748030, 2097636, 2622045, 3496060, 4195272, 5244090, 6992120, 10488180, 20976360]

約数ペア:

[(1, 20976360), (2, 10488180), (3, 6992120), (4, 5244090), (5, 4195272), (6, 3496060), (8, 2622045), (10, 2097636), (12, 1748030), (15, 1398424), (20, 1048818), (24, 874015), (30, 699212), (40, 524409), (60, 349606), (67, 313080), (120, 174803), (134, 156540), (201, 104360), (268, 78270), (335, 62616), (402, 52180), (536, 39135), (670, 31308), (804, 26090), (1005, 20872), (1340, 15654), (1608, 13045), (2010, 10436), (2609, 8040), (2680, 7827), (4020, 5218)]