20213306490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{232417}}^1$

素因数の和:232663

約数の個数: 64

約数和(自身を含む): 52478125056

約数和(自身を除く): 32264818566

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 223, 390, 446, 669, 1115, 1338, 2230, 2899, 3345, 5798, 6690, 8697, 14495, 17394, 28990, 43485, 86970, 232417, 464834, 697251, 1162085, 1394502, 2324170, 3021421, 3486255, 6042842, 6972510, 9064263, 15107105, 18128526, 30214210, 45321315, 51828991, 90642630, 103657982, 155486973, 259144955, 310973946, 518289910, 673776883, 777434865, 1347553766, 1554869730, 2021330649, 3368884415, 4042661298, 6737768830, 10106653245, 20213306490]

約数ペア:

[(1, 20213306490), (2, 10106653245), (3, 6737768830), (5, 4042661298), (6, 3368884415), (10, 2021330649), (13, 1554869730), (15, 1347553766), (26, 777434865), (30, 673776883), (39, 518289910), (65, 310973946), (78, 259144955), (130, 155486973), (195, 103657982), (223, 90642630), (390, 51828991), (446, 45321315), (669, 30214210), (1115, 18128526), (1338, 15107105), (2230, 9064263), (2899, 6972510), (3345, 6042842), (5798, 3486255), (6690, 3021421), (8697, 2324170), (14495, 1394502), (17394, 1162085), (28990, 697251), (43485, 464834), (86970, 232417)]