20538150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 51224400

約数和(自身を除く): 30686250

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 269, 509, 538, 807, 1018, 1345, 1527, 1614, 2545, 2690, 3054, 4035, 5090, 6725, 7635, 8070, 12725, 13450, 15270, 20175, 25450, 38175, 40350, 76350, 136921, 273842, 410763, 684605, 821526, 1369210, 2053815, 3423025, 4107630, 6846050, 10269075, 20538150]

約数ペア:

[(1, 20538150), (2, 10269075), (3, 6846050), (5, 4107630), (6, 3423025), (10, 2053815), (15, 1369210), (25, 821526), (30, 684605), (50, 410763), (75, 273842), (150, 136921), (269, 76350), (509, 40350), (538, 38175), (807, 25450), (1018, 20175), (1345, 15270), (1527, 13450), (1614, 12725), (2545, 8070), (2690, 7635), (3054, 6725), (4035, 5090)]