20808217746

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{531989}}^1$

素因数の和:532091

約数の個数: 48

約数和(自身を含む): 47055579480

約数和(自身を除く): 26247361734

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 82, 106, 123, 159, 246, 318, 369, 477, 738, 954, 2173, 4346, 6519, 13038, 19557, 39114, 531989, 1063978, 1595967, 3191934, 4787901, 9575802, 21811549, 28195417, 43623098, 56390834, 65434647, 84586251, 130869294, 169172502, 196303941, 253758753, 392607882, 507517506, 1156012097, 2312024194, 3468036291, 6936072582, 10404108873, 20808217746]

約数ペア:

[(1, 20808217746), (2, 10404108873), (3, 6936072582), (6, 3468036291), (9, 2312024194), (18, 1156012097), (41, 507517506), (53, 392607882), (82, 253758753), (106, 196303941), (123, 169172502), (159, 130869294), (246, 84586251), (318, 65434647), (369, 56390834), (477, 43623098), (738, 28195417), (954, 21811549), (2173, 9575802), (4346, 4787901), (6519, 3191934), (13038, 1595967), (19557, 1063978), (39114, 531989)]