20748120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4673}}^1$

素因数の和:4724

約数の個数: 64

約数和(自身を含む): 63940320

約数和(自身を除く): 43192200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4673, 9346, 14019, 18692, 23365, 28038, 37384, 46730, 56076, 70095, 93460, 112152, 140190, 172901, 186920, 280380, 345802, 518703, 560760, 691604, 864505, 1037406, 1383208, 1729010, 2074812, 2593515, 3458020, 4149624, 5187030, 6916040, 10374060, 20748120]

約数ペア:

[(1, 20748120), (2, 10374060), (3, 6916040), (4, 5187030), (5, 4149624), (6, 3458020), (8, 2593515), (10, 2074812), (12, 1729010), (15, 1383208), (20, 1037406), (24, 864505), (30, 691604), (37, 560760), (40, 518703), (60, 345802), (74, 280380), (111, 186920), (120, 172901), (148, 140190), (185, 112152), (222, 93460), (296, 70095), (370, 56076), (444, 46730), (555, 37384), (740, 28038), (888, 23365), (1110, 18692), (1480, 14019), (2220, 9346), (4440, 4673)]