20393230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1097}}^1$

素因数の和:1141

約数の個数: 48

約数和(自身を含む): 43401744

約数和(自身を除く): 23008514

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1097, 1430, 1690, 1859, 2194, 3718, 5485, 9295, 10970, 12067, 14261, 18590, 24134, 28522, 60335, 71305, 120670, 142610, 156871, 185393, 313742, 370786, 784355, 926965, 1568710, 1853930, 2039323, 4078646, 10196615, 20393230]

約数ペア:

[(1, 20393230), (2, 10196615), (5, 4078646), (10, 2039323), (11, 1853930), (13, 1568710), (22, 926965), (26, 784355), (55, 370786), (65, 313742), (110, 185393), (130, 156871), (143, 142610), (169, 120670), (286, 71305), (338, 60335), (715, 28522), (845, 24134), (1097, 18590), (1430, 14261), (1690, 12067), (1859, 10970), (2194, 9295), (3718, 5485)]