20001330

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8231}}^1$

素因数の和:8253

約数の個数: 48

約数和(自身を含む): 53936064

約数和(自身を除く): 33934734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8231, 16462, 24693, 41155, 49386, 74079, 82310, 123465, 148158, 222237, 246930, 370395, 444474, 666711, 740790, 1111185, 1333422, 2000133, 2222370, 3333555, 4000266, 6667110, 10000665, 20001330]

約数ペア:

[(1, 20001330), (2, 10000665), (3, 6667110), (5, 4000266), (6, 3333555), (9, 2222370), (10, 2000133), (15, 1333422), (18, 1111185), (27, 740790), (30, 666711), (45, 444474), (54, 370395), (81, 246930), (90, 222237), (135, 148158), (162, 123465), (243, 82310), (270, 74079), (405, 49386), (486, 41155), (810, 24693), (1215, 16462), (2430, 8231)]