131020016

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{13229}}^1$

素因数の和:13856

約数の個数: 20

約数和(自身を含む): 254280600

約数和(自身を除く): 123260584

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2476, 4952, 9904, 13229, 26458, 52916, 105832, 211664, 8188751, 16377502, 32755004, 65510008, 131020016]

約数ペア:

[(1, 131020016), (2, 65510008), (4, 32755004), (8, 16377502), (16, 8188751), (619, 211664), (1238, 105832), (2476, 52916), (4952, 26458), (9904, 13229)]