20043120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3631}}^1$

素因数の和:3670

約数の個数: 80

約数和(自身を含む): 64852992

約数和(自身を除く): 44809872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3631, 5520, 7262, 10893, 14524, 18155, 21786, 29048, 36310, 43572, 54465, 58096, 72620, 83513, 87144, 108930, 145240, 167026, 174288, 217860, 250539, 290480, 334052, 417565, 435720, 501078, 668104, 835130, 871440, 1002156, 1252695, 1336208, 1670260, 2004312, 2505390, 3340520, 4008624, 5010780, 6681040, 10021560, 20043120]

約数ペア:

[(1, 20043120), (2, 10021560), (3, 6681040), (4, 5010780), (5, 4008624), (6, 3340520), (8, 2505390), (10, 2004312), (12, 1670260), (15, 1336208), (16, 1252695), (20, 1002156), (23, 871440), (24, 835130), (30, 668104), (40, 501078), (46, 435720), (48, 417565), (60, 334052), (69, 290480), (80, 250539), (92, 217860), (115, 174288), (120, 167026), (138, 145240), (184, 108930), (230, 87144), (240, 83513), (276, 72620), (345, 58096), (368, 54465), (460, 43572), (552, 36310), (690, 29048), (920, 21786), (1104, 18155), (1380, 14524), (1840, 10893), (2760, 7262), (3631, 5520)]