20201562

素因数分解:

$2^1\times 3^5\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 45837792

約数和(自身を除く): 25636230

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 197, 211, 243, 394, 422, 486, 591, 633, 1182, 1266, 1773, 1899, 3546, 3798, 5319, 5697, 10638, 11394, 15957, 17091, 31914, 34182, 41567, 47871, 51273, 83134, 95742, 102546, 124701, 249402, 374103, 748206, 1122309, 2244618, 3366927, 6733854, 10100781, 20201562]

約数ペア:

[(1, 20201562), (2, 10100781), (3, 6733854), (6, 3366927), (9, 2244618), (18, 1122309), (27, 748206), (54, 374103), (81, 249402), (162, 124701), (197, 102546), (211, 95742), (243, 83134), (394, 51273), (422, 47871), (486, 41567), (591, 34182), (633, 31914), (1182, 17091), (1266, 15957), (1773, 11394), (1899, 10638), (3546, 5697), (3798, 5319)]