20552610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 53625600

約数和(自身を除く): 33072990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 151, 195, 302, 349, 390, 453, 698, 755, 906, 1047, 1510, 1745, 1963, 2094, 2265, 3490, 3926, 4530, 4537, 5235, 5889, 9074, 9815, 10470, 11778, 13611, 19630, 22685, 27222, 29445, 45370, 52699, 58890, 68055, 105398, 136110, 158097, 263495, 316194, 526990, 685087, 790485, 1370174, 1580970, 2055261, 3425435, 4110522, 6850870, 10276305, 20552610]

約数ペア:

[(1, 20552610), (2, 10276305), (3, 6850870), (5, 4110522), (6, 3425435), (10, 2055261), (13, 1580970), (15, 1370174), (26, 790485), (30, 685087), (39, 526990), (65, 316194), (78, 263495), (130, 158097), (151, 136110), (195, 105398), (302, 68055), (349, 58890), (390, 52699), (453, 45370), (698, 29445), (755, 27222), (906, 22685), (1047, 19630), (1510, 13611), (1745, 11778), (1963, 10470), (2094, 9815), (2265, 9074), (3490, 5889), (3926, 5235), (4530, 4537)]