20165754

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:739

約数の個数: 48

約数和(自身を含む): 47409408

約数和(自身を除く): 27243654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 113, 147, 226, 294, 339, 607, 678, 791, 1214, 1582, 1821, 2373, 3642, 4249, 4746, 5537, 8498, 11074, 12747, 16611, 25494, 29743, 33222, 59486, 68591, 89229, 137182, 178458, 205773, 411546, 480137, 960274, 1440411, 2880822, 3360959, 6721918, 10082877, 20165754]

約数ペア:

[(1, 20165754), (2, 10082877), (3, 6721918), (6, 3360959), (7, 2880822), (14, 1440411), (21, 960274), (42, 480137), (49, 411546), (98, 205773), (113, 178458), (147, 137182), (226, 89229), (294, 68591), (339, 59486), (607, 33222), (678, 29743), (791, 25494), (1214, 16611), (1582, 12747), (1821, 11074), (2373, 8498), (3642, 5537), (4249, 4746)]