20235020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 46099200

約数和(自身を除く): 25864180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 349, 446, 698, 892, 1115, 1396, 1745, 2230, 2899, 3490, 4460, 4537, 5798, 6980, 9074, 11596, 14495, 18148, 22685, 28990, 45370, 57980, 77827, 90740, 155654, 311308, 389135, 778270, 1011751, 1556540, 2023502, 4047004, 5058755, 10117510, 20235020]

約数ペア:

[(1, 20235020), (2, 10117510), (4, 5058755), (5, 4047004), (10, 2023502), (13, 1556540), (20, 1011751), (26, 778270), (52, 389135), (65, 311308), (130, 155654), (223, 90740), (260, 77827), (349, 57980), (446, 45370), (698, 28990), (892, 22685), (1115, 18148), (1396, 14495), (1745, 11596), (2230, 9074), (2899, 6980), (3490, 5798), (4460, 4537)]