20798070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 52629696

約数和(自身を除く): 31831626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 41, 74, 82, 111, 123, 185, 205, 222, 246, 370, 410, 457, 555, 615, 914, 1110, 1230, 1371, 1517, 2285, 2742, 3034, 4551, 4570, 6855, 7585, 9102, 13710, 15170, 16909, 18737, 22755, 33818, 37474, 45510, 50727, 56211, 84545, 93685, 101454, 112422, 169090, 187370, 253635, 281055, 507270, 562110, 693269, 1386538, 2079807, 3466345, 4159614, 6932690, 10399035, 20798070]

約数ペア:

[(1, 20798070), (2, 10399035), (3, 6932690), (5, 4159614), (6, 3466345), (10, 2079807), (15, 1386538), (30, 693269), (37, 562110), (41, 507270), (74, 281055), (82, 253635), (111, 187370), (123, 169090), (185, 112422), (205, 101454), (222, 93685), (246, 84545), (370, 56211), (410, 50727), (457, 45510), (555, 37474), (615, 33818), (914, 22755), (1110, 18737), (1230, 16909), (1371, 15170), (1517, 13710), (2285, 9102), (2742, 7585), (3034, 6855), (4551, 4570)]