20201742

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 48056112

約数和(自身を除く): 27854370

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 257, 397, 514, 771, 794, 1191, 1542, 2313, 2382, 2827, 3573, 4367, 4626, 5654, 7146, 8481, 8734, 13101, 16962, 25443, 26202, 39303, 50886, 78606, 102029, 204058, 306087, 612174, 918261, 1122319, 1836522, 2244638, 3366957, 6733914, 10100871, 20201742]

約数ペア:

[(1, 20201742), (2, 10100871), (3, 6733914), (6, 3366957), (9, 2244638), (11, 1836522), (18, 1122319), (22, 918261), (33, 612174), (66, 306087), (99, 204058), (198, 102029), (257, 78606), (397, 50886), (514, 39303), (771, 26202), (794, 25443), (1191, 16962), (1542, 13101), (2313, 8734), (2382, 8481), (2827, 7146), (3573, 5654), (4367, 4626)]