20196830900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{559469}}^1$

素因数の和:559521

約数の個数: 54

約数和(自身を含む): 46255301190

約数和(自身を除く): 26058470290

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1900, 3610, 7220, 9025, 18050, 36100, 559469, 1118938, 2237876, 2797345, 5594690, 10629911, 11189380, 13986725, 21259822, 27973450, 42519644, 53149555, 55946900, 106299110, 201968309, 212598220, 265747775, 403936618, 531495550, 807873236, 1009841545, 1062991100, 2019683090, 4039366180, 5049207725, 10098415450, 20196830900]

約数ペア:

[(1, 20196830900), (2, 10098415450), (4, 5049207725), (5, 4039366180), (10, 2019683090), (19, 1062991100), (20, 1009841545), (25, 807873236), (38, 531495550), (50, 403936618), (76, 265747775), (95, 212598220), (100, 201968309), (190, 106299110), (361, 55946900), (380, 53149555), (475, 42519644), (722, 27973450), (950, 21259822), (1444, 13986725), (1805, 11189380), (1900, 10629911), (3610, 5594690), (7220, 2797345), (9025, 2237876), (18050, 1118938), (36100, 559469)]