20036744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 28952056

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1619, 1768, 3094, 3238, 6188, 6476, 11333, 12376, 12952, 21047, 22666, 27523, 42094, 45332, 55046, 84188, 90664, 110092, 147329, 168376, 192661, 220184, 294658, 357799, 385322, 589316, 715598, 770644, 1178632, 1431196, 1541288, 2504593, 2862392, 5009186, 10018372, 20036744]

約数ペア:

[(1, 20036744), (2, 10018372), (4, 5009186), (7, 2862392), (8, 2504593), (13, 1541288), (14, 1431196), (17, 1178632), (26, 770644), (28, 715598), (34, 589316), (52, 385322), (56, 357799), (68, 294658), (91, 220184), (104, 192661), (119, 168376), (136, 147329), (182, 110092), (221, 90664), (238, 84188), (364, 55046), (442, 45332), (476, 42094), (728, 27523), (884, 22666), (952, 21047), (1547, 12952), (1619, 12376), (1768, 11333), (3094, 6476), (3238, 6188)]