20973870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77681}}^1$

素因数の和:77697

約数の個数: 32

約数和(自身を含む): 55931040

約数和(自身を除く): 34957170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77681, 155362, 233043, 388405, 466086, 699129, 776810, 1165215, 1398258, 2097387, 2330430, 3495645, 4194774, 6991290, 10486935, 20973870]

約数ペア:

[(1, 20973870), (2, 10486935), (3, 6991290), (5, 4194774), (6, 3495645), (9, 2330430), (10, 2097387), (15, 1398258), (18, 1165215), (27, 776810), (30, 699129), (45, 466086), (54, 388405), (90, 233043), (135, 155362), (270, 77681)]