20524356

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 54722304

約数和(自身を除く): 34197948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 93, 106, 124, 159, 186, 212, 279, 318, 347, 372, 477, 558, 636, 694, 954, 1041, 1116, 1388, 1643, 1908, 2082, 3123, 3286, 4164, 4929, 6246, 6572, 9858, 10757, 12492, 14787, 18391, 19716, 21514, 29574, 32271, 36782, 43028, 55173, 59148, 64542, 73564, 96813, 110346, 129084, 165519, 193626, 220692, 331038, 387252, 570121, 662076, 1140242, 1710363, 2280484, 3420726, 5131089, 6841452, 10262178, 20524356]

約数ペア:

[(1, 20524356), (2, 10262178), (3, 6841452), (4, 5131089), (6, 3420726), (9, 2280484), (12, 1710363), (18, 1140242), (31, 662076), (36, 570121), (53, 387252), (62, 331038), (93, 220692), (106, 193626), (124, 165519), (159, 129084), (186, 110346), (212, 96813), (279, 73564), (318, 64542), (347, 59148), (372, 55173), (477, 43028), (558, 36782), (636, 32271), (694, 29574), (954, 21514), (1041, 19716), (1116, 18391), (1388, 14787), (1643, 12492), (1908, 10757), (2082, 9858), (3123, 6572), (3286, 6246), (4164, 4929)]