20199380607

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{41387}}^1$

素因数の和:41588

約数の個数: 48

約数和(自身を含む): 34159337472

約数和(自身を除く): 13959956865

約数列:

[1, 3, 7, 9, 21, 61, 63, 127, 183, 381, 427, 549, 889, 1143, 1281, 2667, 3843, 7747, 8001, 23241, 41387, 54229, 69723, 124161, 162687, 289709, 372483, 488061, 869127, 2524607, 2607381, 5256149, 7573821, 15768447, 17672249, 22721463, 36793043, 47305341, 53016747, 110379129, 159050241, 320625089, 331137387, 961875267, 2244375623, 2885625801, 6733126869, 20199380607]

約数ペア:

[(1, 20199380607), (3, 6733126869), (7, 2885625801), (9, 2244375623), (21, 961875267), (61, 331137387), (63, 320625089), (127, 159050241), (183, 110379129), (381, 53016747), (427, 47305341), (549, 36793043), (889, 22721463), (1143, 17672249), (1281, 15768447), (2667, 7573821), (3843, 5256149), (7747, 2607381), (8001, 2524607), (23241, 869127), (41387, 488061), (54229, 372483), (69723, 289709), (124161, 162687)]