20973862

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 40046832

約数和(自身を除く): 19072970

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 101, 163, 182, 202, 326, 637, 707, 1141, 1274, 1313, 1414, 2119, 2282, 2626, 4238, 4949, 7987, 9191, 9898, 14833, 15974, 16463, 18382, 29666, 32926, 64337, 103831, 115241, 128674, 207662, 214019, 230482, 428038, 806687, 1498133, 1613374, 2996266, 10486931, 20973862]

約数ペア:

[(1, 20973862), (2, 10486931), (7, 2996266), (13, 1613374), (14, 1498133), (26, 806687), (49, 428038), (91, 230482), (98, 214019), (101, 207662), (163, 128674), (182, 115241), (202, 103831), (326, 64337), (637, 32926), (707, 29666), (1141, 18382), (1274, 16463), (1313, 15974), (1414, 14833), (2119, 9898), (2282, 9191), (2626, 7987), (4238, 4949)]