20216457040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{12517}}^1$

素因数の和:14096

約数の個数: 80

約数和(自身を含む): 50655539088

約数和(自身を除く): 30439082048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1553, 3106, 6212, 7765, 12424, 12517, 15530, 20189, 24848, 25034, 31060, 40378, 50068, 62120, 62585, 80756, 100136, 100945, 124240, 125170, 161512, 162721, 200272, 201890, 250340, 323024, 325442, 403780, 500680, 650884, 807560, 813605, 1001360, 1301768, 1615120, 1627210, 2603536, 3254420, 6508840, 13017680, 19438901, 38877802, 77755604, 97194505, 155511208, 194389010, 252705713, 311022416, 388778020, 505411426, 777556040, 1010822852, 1263528565, 1555112080, 2021645704, 2527057130, 4043291408, 5054114260, 10108228520, 20216457040]

約数ペア:

[(1, 20216457040), (2, 10108228520), (4, 5054114260), (5, 4043291408), (8, 2527057130), (10, 2021645704), (13, 1555112080), (16, 1263528565), (20, 1010822852), (26, 777556040), (40, 505411426), (52, 388778020), (65, 311022416), (80, 252705713), (104, 194389010), (130, 155511208), (208, 97194505), (260, 77755604), (520, 38877802), (1040, 19438901), (1553, 13017680), (3106, 6508840), (6212, 3254420), (7765, 2603536), (12424, 1627210), (12517, 1615120), (15530, 1301768), (20189, 1001360), (24848, 813605), (25034, 807560), (31060, 650884), (40378, 500680), (50068, 403780), (62120, 325442), (62585, 323024), (80756, 250340), (100136, 201890), (100945, 200272), (124240, 162721), (125170, 161512)]