20174891260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{109897}}^1$

素因数の和:110110

約数の個数: 48

約数和(自身を含む): 43313878944

約数和(自身を除く): 23138987684

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 137, 268, 274, 335, 548, 670, 685, 1340, 1370, 2740, 9179, 18358, 36716, 45895, 91790, 109897, 183580, 219794, 439588, 549485, 1098970, 2197940, 7363099, 14726198, 15055889, 29452396, 30111778, 36815495, 60223556, 73630990, 75279445, 147261980, 150558890, 301117780, 1008744563, 2017489126, 4034978252, 5043722815, 10087445630, 20174891260]

約数ペア:

[(1, 20174891260), (2, 10087445630), (4, 5043722815), (5, 4034978252), (10, 2017489126), (20, 1008744563), (67, 301117780), (134, 150558890), (137, 147261980), (268, 75279445), (274, 73630990), (335, 60223556), (548, 36815495), (670, 30111778), (685, 29452396), (1340, 15055889), (1370, 14726198), (2740, 7363099), (9179, 2197940), (18358, 1098970), (36716, 549485), (45895, 439588), (91790, 219794), (109897, 183580)]