20123781390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2830349}}^1$

素因数の和:2830441

約数の個数: 48

約数和(自身を含む): 52984152000

約数和(自身を除く): 32860370610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 3555, 7110, 2830349, 5660698, 8491047, 14151745, 16982094, 25473141, 28303490, 42455235, 50946282, 84910470, 127365705, 223597571, 254731410, 447195142, 670792713, 1117987855, 1341585426, 2012378139, 2235975710, 3353963565, 4024756278, 6707927130, 10061890695, 20123781390]

約数ペア:

[(1, 20123781390), (2, 10061890695), (3, 6707927130), (5, 4024756278), (6, 3353963565), (9, 2235975710), (10, 2012378139), (15, 1341585426), (18, 1117987855), (30, 670792713), (45, 447195142), (79, 254731410), (90, 223597571), (158, 127365705), (237, 84910470), (395, 50946282), (474, 42455235), (711, 28303490), (790, 25473141), (1185, 16982094), (1422, 14151745), (2370, 8491047), (3555, 5660698), (7110, 2830349)]