20178962820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{586939}}^1$

素因数の和:587145

約数の個数: 72

約数和(自身を含む): 61530094080

約数和(自身を除く): 41351131260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2865, 3438, 3820, 5730, 6876, 8595, 11460, 17190, 34380, 586939, 1173878, 1760817, 2347756, 2934695, 3521634, 5282451, 5869390, 7043268, 8804085, 10564902, 11738780, 17608170, 21129804, 26412255, 35216340, 52824510, 105649020, 112105349, 224210698, 336316047, 448421396, 560526745, 672632094, 1008948141, 1121053490, 1345264188, 1681580235, 2017896282, 2242106980, 3363160470, 4035792564, 5044740705, 6726320940, 10089481410, 20178962820]

約数ペア:

[(1, 20178962820), (2, 10089481410), (3, 6726320940), (4, 5044740705), (5, 4035792564), (6, 3363160470), (9, 2242106980), (10, 2017896282), (12, 1681580235), (15, 1345264188), (18, 1121053490), (20, 1008948141), (30, 672632094), (36, 560526745), (45, 448421396), (60, 336316047), (90, 224210698), (180, 112105349), (191, 105649020), (382, 52824510), (573, 35216340), (764, 26412255), (955, 21129804), (1146, 17608170), (1719, 11738780), (1910, 10564902), (2292, 8804085), (2865, 7043268), (3438, 5869390), (3820, 5282451), (5730, 3521634), (6876, 2934695), (8595, 2347756), (11460, 1760817), (17190, 1173878), (34380, 586939)]