20009968980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3438139}}^1$

素因数の和:3438248

約数の個数: 48

約数和(自身を含む): 56605536960

約数和(自身を除く): 36595567980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 3438139, 6876278, 10314417, 13752556, 17190695, 20628834, 34381390, 41257668, 51572085, 68762780, 103144170, 206288340, 333499483, 666998966, 1000498449, 1333997932, 1667497415, 2000996898, 3334994830, 4001993796, 5002492245, 6669989660, 10004984490, 20009968980]

約数ペア:

[(1, 20009968980), (2, 10004984490), (3, 6669989660), (4, 5002492245), (5, 4001993796), (6, 3334994830), (10, 2000996898), (12, 1667497415), (15, 1333997932), (20, 1000498449), (30, 666998966), (60, 333499483), (97, 206288340), (194, 103144170), (291, 68762780), (388, 51572085), (485, 41257668), (582, 34381390), (970, 20628834), (1164, 17190695), (1455, 13752556), (1940, 10314417), (2910, 6876278), (5820, 3438139)]