20954466

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 49303800

約数和(自身を除く): 28349334

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 234, 298, 447, 601, 894, 1202, 1341, 1803, 1937, 2682, 3606, 3874, 5409, 5811, 7813, 10818, 11622, 15626, 17433, 23439, 34866, 46878, 70317, 89549, 140634, 179098, 268647, 537294, 805941, 1164137, 1611882, 2328274, 3492411, 6984822, 10477233, 20954466]

約数ペア:

[(1, 20954466), (2, 10477233), (3, 6984822), (6, 3492411), (9, 2328274), (13, 1611882), (18, 1164137), (26, 805941), (39, 537294), (78, 268647), (117, 179098), (149, 140634), (234, 89549), (298, 70317), (447, 46878), (601, 34866), (894, 23439), (1202, 17433), (1341, 15626), (1803, 11622), (1937, 10818), (2682, 7813), (3606, 5811), (3874, 5409)]