20236461

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 33488640

約数和(自身を除く): 13252179

約数列:

[1, 3, 7, 21, 29, 47, 49, 87, 101, 141, 147, 203, 303, 329, 609, 707, 987, 1363, 1421, 2121, 2303, 2929, 4089, 4263, 4747, 4949, 6909, 8787, 9541, 14241, 14847, 20503, 28623, 33229, 61509, 66787, 99687, 137663, 143521, 200361, 232603, 412989, 430563, 697809, 963641, 2890923, 6745487, 20236461]

約数ペア:

[(1, 20236461), (3, 6745487), (7, 2890923), (21, 963641), (29, 697809), (47, 430563), (49, 412989), (87, 232603), (101, 200361), (141, 143521), (147, 137663), (203, 99687), (303, 66787), (329, 61509), (609, 33229), (707, 28623), (987, 20503), (1363, 14847), (1421, 14241), (2121, 9541), (2303, 8787), (2929, 6909), (4089, 4949), (4263, 4747)]