20895060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18329}}^1$

素因数の和:18360

約数の個数: 48

約数和(自身を含む): 61588800

約数和(自身を除く): 40693740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18329, 36658, 54987, 73316, 91645, 109974, 183290, 219948, 274935, 348251, 366580, 549870, 696502, 1044753, 1099740, 1393004, 1741255, 2089506, 3482510, 4179012, 5223765, 6965020, 10447530, 20895060]

約数ペア:

[(1, 20895060), (2, 10447530), (3, 6965020), (4, 5223765), (5, 4179012), (6, 3482510), (10, 2089506), (12, 1741255), (15, 1393004), (19, 1099740), (20, 1044753), (30, 696502), (38, 549870), (57, 366580), (60, 348251), (76, 274935), (95, 219948), (114, 183290), (190, 109974), (228, 91645), (285, 73316), (380, 54987), (570, 36658), (1140, 18329)]