20120370680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1\times {\mathrm{10589}}^1$

素因数の和:11376

約数の個数: 64

約数和(自身を含む): 46015668000

約数和(自身を除く): 25895297320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 709, 1340, 1418, 2680, 2836, 3545, 5672, 7090, 10589, 14180, 21178, 28360, 42356, 47503, 52945, 84712, 95006, 105890, 190012, 211780, 237515, 380024, 423560, 475030, 709463, 950060, 1418926, 1900120, 2837852, 3547315, 5675704, 7094630, 7507601, 14189260, 15015202, 28378520, 30030404, 37538005, 60060808, 75076010, 150152020, 300304040, 503009267, 1006018534, 2012037068, 2515046335, 4024074136, 5030092670, 10060185340, 20120370680]

約数ペア:

[(1, 20120370680), (2, 10060185340), (4, 5030092670), (5, 4024074136), (8, 2515046335), (10, 2012037068), (20, 1006018534), (40, 503009267), (67, 300304040), (134, 150152020), (268, 75076010), (335, 60060808), (536, 37538005), (670, 30030404), (709, 28378520), (1340, 15015202), (1418, 14189260), (2680, 7507601), (2836, 7094630), (3545, 5675704), (5672, 3547315), (7090, 2837852), (10589, 1900120), (14180, 1418926), (21178, 950060), (28360, 709463), (42356, 475030), (47503, 423560), (52945, 380024), (84712, 237515), (95006, 211780), (105890, 190012)]