20201484

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 49956480

約数和(自身を除く): 29754996

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 251, 353, 502, 706, 753, 1004, 1059, 1412, 1506, 2118, 3012, 4236, 4769, 6707, 9538, 13414, 14307, 19076, 20121, 26828, 28614, 40242, 57228, 80484, 88603, 177206, 265809, 354412, 531618, 1063236, 1683457, 3366914, 5050371, 6733828, 10100742, 20201484]

約数ペア:

[(1, 20201484), (2, 10100742), (3, 6733828), (4, 5050371), (6, 3366914), (12, 1683457), (19, 1063236), (38, 531618), (57, 354412), (76, 265809), (114, 177206), (228, 88603), (251, 80484), (353, 57228), (502, 40242), (706, 28614), (753, 26828), (1004, 20121), (1059, 19076), (1412, 14307), (1506, 13414), (2118, 9538), (3012, 6707), (4236, 4769)]