20284726

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 39923712

約数和(自身を除く): 19638986

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 607, 682, 1078, 1214, 1519, 2387, 3038, 4249, 4774, 6677, 8498, 13354, 16709, 18817, 29743, 33418, 37634, 46739, 59486, 93478, 131719, 206987, 263438, 327173, 413974, 654346, 922033, 1448909, 1844066, 2897818, 10142363, 20284726]

約数ペア:

[(1, 20284726), (2, 10142363), (7, 2897818), (11, 1844066), (14, 1448909), (22, 922033), (31, 654346), (49, 413974), (62, 327173), (77, 263438), (98, 206987), (154, 131719), (217, 93478), (341, 59486), (434, 46739), (539, 37634), (607, 33418), (682, 29743), (1078, 18817), (1214, 16709), (1519, 13354), (2387, 8498), (3038, 6677), (4249, 4774)]