20210316188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{17957}}^1$

素因数の和:18290

約数の個数: 48

約数和(自身を含む): 38013494400

約数和(自身を除く): 17803178212

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 251, 502, 1004, 1121, 2242, 4484, 4769, 9538, 14809, 17957, 19076, 29618, 35914, 59236, 71828, 281371, 341183, 562742, 682366, 1059463, 1125484, 1364732, 2118926, 4237852, 4507207, 9014414, 18028828, 20129797, 40259594, 80519188, 85636933, 171273866, 265925213, 342547732, 531850426, 1063700852, 5052579047, 10105158094, 20210316188]

約数ペア:

[(1, 20210316188), (2, 10105158094), (4, 5052579047), (19, 1063700852), (38, 531850426), (59, 342547732), (76, 265925213), (118, 171273866), (236, 85636933), (251, 80519188), (502, 40259594), (1004, 20129797), (1121, 18028828), (2242, 9014414), (4484, 4507207), (4769, 4237852), (9538, 2118926), (14809, 1364732), (17957, 1125484), (19076, 1059463), (29618, 682366), (35914, 562742), (59236, 341183), (71828, 281371)]