20163766995

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{404773}}^1$

素因数の和:404834

約数の個数: 48

約数和(自身を含む): 37129109472

約数和(自身を除く): 16965342477

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 1107, 1215, 1845, 3321, 5535, 9963, 16605, 49815, 404773, 1214319, 2023865, 3642957, 6071595, 10928871, 16595693, 18214785, 32786613, 49787079, 54644355, 82978465, 98359839, 149361237, 163933065, 248935395, 448083711, 491799195, 746806185, 1344251133, 2240418555, 4032753399, 6721255665, 20163766995]

約数ペア:

[(1, 20163766995), (3, 6721255665), (5, 4032753399), (9, 2240418555), (15, 1344251133), (27, 746806185), (41, 491799195), (45, 448083711), (81, 248935395), (123, 163933065), (135, 149361237), (205, 98359839), (243, 82978465), (369, 54644355), (405, 49787079), (615, 32786613), (1107, 18214785), (1215, 16595693), (1845, 10928871), (3321, 6071595), (5535, 3642957), (9963, 2023865), (16605, 1214319), (49815, 404773)]