20872858682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{74203}}^1$

素因数の和:74598

約数の個数: 32

約数和(自身を含む): 34905561600

約数和(自身を除く): 14032702918

約数列:

[1, 2, 13, 26, 31, 62, 349, 403, 698, 806, 4537, 9074, 10819, 21638, 74203, 140647, 148406, 281294, 964639, 1929278, 2300293, 4600586, 25896847, 29903809, 51793694, 59807618, 336659011, 673318022, 802802257, 1605604514, 10436429341, 20872858682]

約数ペア:

[(1, 20872858682), (2, 10436429341), (13, 1605604514), (26, 802802257), (31, 673318022), (62, 336659011), (349, 59807618), (403, 51793694), (698, 29903809), (806, 25896847), (4537, 4600586), (9074, 2300293), (10819, 1929278), (21638, 964639), (74203, 281294), (140647, 148406)]