20580060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4831}}^1$

素因数の和:4914

約数の個数: 48

約数和(自身を含む): 58447872

約数和(自身を除く): 37867812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4831, 9662, 14493, 19324, 24155, 28986, 48310, 57972, 72465, 96620, 144930, 289860, 343001, 686002, 1029003, 1372004, 1715005, 2058006, 3430010, 4116012, 5145015, 6860020, 10290030, 20580060]

約数ペア:

[(1, 20580060), (2, 10290030), (3, 6860020), (4, 5145015), (5, 4116012), (6, 3430010), (10, 2058006), (12, 1715005), (15, 1372004), (20, 1029003), (30, 686002), (60, 343001), (71, 289860), (142, 144930), (213, 96620), (284, 72465), (355, 57972), (426, 48310), (710, 28986), (852, 24155), (1065, 19324), (1420, 14493), (2130, 9662), (4260, 4831)]