20896458

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 25642902

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 107, 121, 214, 242, 269, 321, 363, 538, 642, 726, 807, 1177, 1614, 2354, 2959, 3531, 5918, 7062, 8877, 12947, 17754, 25894, 28783, 32549, 38841, 57566, 65098, 77682, 86349, 97647, 172698, 195294, 316613, 633226, 949839, 1899678, 3482743, 6965486, 10448229, 20896458]

約数ペア:

[(1, 20896458), (2, 10448229), (3, 6965486), (6, 3482743), (11, 1899678), (22, 949839), (33, 633226), (66, 316613), (107, 195294), (121, 172698), (214, 97647), (242, 86349), (269, 77682), (321, 65098), (363, 57566), (538, 38841), (642, 32549), (726, 28783), (807, 25894), (1177, 17754), (1614, 12947), (2354, 8877), (2959, 7062), (3531, 5918)]