20302120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10799}}^1$

素因数の和:10857

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 26353880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10799, 21598, 43196, 53995, 86392, 107990, 215980, 431960, 507553, 1015106, 2030212, 2537765, 4060424, 5075530, 10151060, 20302120]

約数ペア:

[(1, 20302120), (2, 10151060), (4, 5075530), (5, 4060424), (8, 2537765), (10, 2030212), (20, 1015106), (40, 507553), (47, 431960), (94, 215980), (188, 107990), (235, 86392), (376, 53995), (470, 43196), (940, 21598), (1880, 10799)]