20165354895

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{76423}}^1$

素因数の和:76804

約数の個数: 48

約数和(自身を含む): 37637291520

約数和(自身を除く): 17471936625

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 359, 735, 1077, 1795, 2513, 5385, 7539, 12565, 17591, 37695, 52773, 76423, 87955, 229269, 263865, 382115, 534961, 1146345, 1604883, 2674805, 3744727, 8024415, 11234181, 18723635, 27435857, 56170905, 82307571, 137179285, 192050999, 411537855, 576152997, 960254995, 1344356993, 2880764985, 4033070979, 6721784965, 20165354895]

約数ペア:

[(1, 20165354895), (3, 6721784965), (5, 4033070979), (7, 2880764985), (15, 1344356993), (21, 960254995), (35, 576152997), (49, 411537855), (105, 192050999), (147, 137179285), (245, 82307571), (359, 56170905), (735, 27435857), (1077, 18723635), (1795, 11234181), (2513, 8024415), (5385, 3744727), (7539, 2674805), (12565, 1604883), (17591, 1146345), (37695, 534961), (52773, 382115), (76423, 263865), (87955, 229269)]