20761318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14075162

約数列:

[1, 2, 17, 23, 34, 46, 139, 191, 278, 382, 391, 782, 2363, 3197, 3247, 4393, 4726, 6394, 6494, 8786, 26549, 53098, 54349, 74681, 108698, 149362, 451333, 610627, 902666, 1221254, 10380659, 20761318]

約数ペア:

[(1, 20761318), (2, 10380659), (17, 1221254), (23, 902666), (34, 610627), (46, 451333), (139, 149362), (191, 108698), (278, 74681), (382, 54349), (391, 53098), (782, 26549), (2363, 8786), (3197, 6494), (3247, 6394), (4393, 4726)]