20724840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2503}}^1$

素因数の和:2543

約数の個数: 96

約数和(自身を含む): 70312320

約数和(自身を除く): 49587480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2503, 2760, 4140, 5006, 7509, 8280, 10012, 12515, 15018, 20024, 22527, 25030, 30036, 37545, 45054, 50060, 57569, 60072, 75090, 90108, 100120, 112635, 115138, 150180, 172707, 180216, 225270, 230276, 287845, 300360, 345414, 450540, 460552, 518121, 575690, 690828, 863535, 901080, 1036242, 1151380, 1381656, 1727070, 2072484, 2302760, 2590605, 3454140, 4144968, 5181210, 6908280, 10362420, 20724840]

約数ペア:

[(1, 20724840), (2, 10362420), (3, 6908280), (4, 5181210), (5, 4144968), (6, 3454140), (8, 2590605), (9, 2302760), (10, 2072484), (12, 1727070), (15, 1381656), (18, 1151380), (20, 1036242), (23, 901080), (24, 863535), (30, 690828), (36, 575690), (40, 518121), (45, 460552), (46, 450540), (60, 345414), (69, 300360), (72, 287845), (90, 230276), (92, 225270), (115, 180216), (120, 172707), (138, 150180), (180, 115138), (184, 112635), (207, 100120), (230, 90108), (276, 75090), (345, 60072), (360, 57569), (414, 50060), (460, 45054), (552, 37545), (690, 30036), (828, 25030), (920, 22527), (1035, 20024), (1380, 15018), (1656, 12515), (2070, 10012), (2503, 8280), (2760, 7509), (4140, 5006)]