20207876624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1259}}^1\times {\mathrm{77167}}^1$

素因数の和:78447

約数の個数: 40

約数和(自身を含む): 42198549120

約数和(自身を除く): 21990672496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1259, 2518, 5036, 10072, 16367, 20144, 32734, 65468, 77167, 130936, 154334, 261872, 308668, 617336, 1003171, 1234672, 2006342, 4012684, 8025368, 16050736, 97153253, 194306506, 388613012, 777226024, 1262992289, 1554452048, 2525984578, 5051969156, 10103938312, 20207876624]

約数ペア:

[(1, 20207876624), (2, 10103938312), (4, 5051969156), (8, 2525984578), (13, 1554452048), (16, 1262992289), (26, 777226024), (52, 388613012), (104, 194306506), (208, 97153253), (1259, 16050736), (2518, 8025368), (5036, 4012684), (10072, 2006342), (16367, 1234672), (20144, 1003171), (32734, 617336), (65468, 308668), (77167, 261872), (130936, 154334)]