20687706

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 48615840

約数和(自身を除く): 27928134

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 211, 234, 419, 422, 633, 838, 1257, 1266, 1899, 2514, 2743, 3771, 3798, 5447, 5486, 7542, 8229, 10894, 16341, 16458, 24687, 32682, 49023, 49374, 88409, 98046, 176818, 265227, 530454, 795681, 1149317, 1591362, 2298634, 3447951, 6895902, 10343853, 20687706]

約数ペア:

[(1, 20687706), (2, 10343853), (3, 6895902), (6, 3447951), (9, 2298634), (13, 1591362), (18, 1149317), (26, 795681), (39, 530454), (78, 265227), (117, 176818), (211, 98046), (234, 88409), (419, 49374), (422, 49023), (633, 32682), (838, 24687), (1257, 16458), (1266, 16341), (1899, 10894), (2514, 8229), (2743, 7542), (3771, 5486), (3798, 5447)]