20852730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1039}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 33659910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1039, 1115, 1338, 2007, 2078, 2230, 3117, 3345, 4014, 5195, 6234, 6690, 9351, 10035, 10390, 15585, 18702, 20070, 31170, 46755, 93510, 231697, 463394, 695091, 1158485, 1390182, 2085273, 2316970, 3475455, 4170546, 6950910, 10426365, 20852730]

約数ペア:

[(1, 20852730), (2, 10426365), (3, 6950910), (5, 4170546), (6, 3475455), (9, 2316970), (10, 2085273), (15, 1390182), (18, 1158485), (30, 695091), (45, 463394), (90, 231697), (223, 93510), (446, 46755), (669, 31170), (1039, 20070), (1115, 18702), (1338, 15585), (2007, 10390), (2078, 10035), (2230, 9351), (3117, 6690), (3345, 6234), (4014, 5195)]