20719115982

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{487}}^1\times {\mathrm{3533}}^1$

素因数の和:4254

約数の個数: 64

約数和(自身を含む): 46357032960

約数和(自身を除く): 25637916978

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 487, 669, 974, 1338, 1461, 2007, 2922, 3533, 4014, 4383, 6021, 7066, 8766, 10599, 12042, 13149, 21198, 26298, 31797, 63594, 95391, 108601, 190782, 217202, 325803, 651606, 787859, 977409, 1575718, 1720571, 1954818, 2363577, 2932227, 3441142, 4727154, 5161713, 5864454, 7090731, 10323426, 14181462, 15485139, 21272193, 30970278, 42544386, 46455417, 92910834, 383687333, 767374666, 1151061999, 2302123998, 3453185997, 6906371994, 10359557991, 20719115982]

約数ペア:

[(1, 20719115982), (2, 10359557991), (3, 6906371994), (6, 3453185997), (9, 2302123998), (18, 1151061999), (27, 767374666), (54, 383687333), (223, 92910834), (446, 46455417), (487, 42544386), (669, 30970278), (974, 21272193), (1338, 15485139), (1461, 14181462), (2007, 10323426), (2922, 7090731), (3533, 5864454), (4014, 5161713), (4383, 4727154), (6021, 3441142), (7066, 2932227), (8766, 2363577), (10599, 1954818), (12042, 1720571), (13149, 1575718), (21198, 977409), (26298, 787859), (31797, 651606), (63594, 325803), (95391, 217202), (108601, 190782)]