20146773584

素因数分解:

$2^4\times 7^1\times {\mathrm{641}}^1\times {\mathrm{280627}}^1$

素因数の和:281283

約数の個数: 40

約数和(自身を含む): 44680467648

約数和(自身を除く): 24533694064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 641, 1282, 2564, 4487, 5128, 8974, 10256, 17948, 35896, 71792, 280627, 561254, 1122508, 1964389, 2245016, 3928778, 4490032, 7857556, 15715112, 31430224, 179881907, 359763814, 719527628, 1259173349, 1439055256, 2518346698, 2878110512, 5036693396, 10073386792, 20146773584]

約数ペア:

[(1, 20146773584), (2, 10073386792), (4, 5036693396), (7, 2878110512), (8, 2518346698), (14, 1439055256), (16, 1259173349), (28, 719527628), (56, 359763814), (112, 179881907), (641, 31430224), (1282, 15715112), (2564, 7857556), (4487, 4490032), (5128, 3928778), (8974, 2245016), (10256, 1964389), (17948, 1122508), (35896, 561254), (71792, 280627)]