20541066

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2213}}^1$

素因数の和:2255

約数の個数: 64

約数和(自身を含む): 53561088

約数和(自身を除く): 33020022

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2213, 3094, 4426, 4641, 6639, 9282, 13278, 15491, 28769, 30982, 37621, 46473, 57538, 75242, 86307, 92946, 112863, 172614, 201383, 225726, 263347, 402766, 489073, 526694, 604149, 790041, 978146, 1208298, 1467219, 1580082, 2934438, 3423511, 6847022, 10270533, 20541066]

約数ペア:

[(1, 20541066), (2, 10270533), (3, 6847022), (6, 3423511), (7, 2934438), (13, 1580082), (14, 1467219), (17, 1208298), (21, 978146), (26, 790041), (34, 604149), (39, 526694), (42, 489073), (51, 402766), (78, 263347), (91, 225726), (102, 201383), (119, 172614), (182, 112863), (221, 92946), (238, 86307), (273, 75242), (357, 57538), (442, 46473), (546, 37621), (663, 30982), (714, 28769), (1326, 15491), (1547, 13278), (2213, 9282), (3094, 6639), (4426, 4641)]