20802210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 59133888

約数和(自身を除く): 38331678

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 169, 195, 286, 330, 338, 373, 390, 429, 507, 715, 746, 845, 858, 1014, 1119, 1430, 1690, 1859, 1865, 2145, 2238, 2535, 3718, 3730, 4103, 4290, 4849, 5070, 5577, 5595, 8206, 9295, 9698, 11154, 11190, 12309, 14547, 18590, 20515, 24245, 24618, 27885, 29094, 41030, 48490, 53339, 55770, 61545, 63037, 72735, 106678, 123090, 126074, 145470, 160017, 189111, 266695, 315185, 320034, 378222, 533390, 630370, 693407, 800085, 945555, 1386814, 1600170, 1891110, 2080221, 3467035, 4160442, 6934070, 10401105, 20802210]

約数ペア:

[(1, 20802210), (2, 10401105), (3, 6934070), (5, 4160442), (6, 3467035), (10, 2080221), (11, 1891110), (13, 1600170), (15, 1386814), (22, 945555), (26, 800085), (30, 693407), (33, 630370), (39, 533390), (55, 378222), (65, 320034), (66, 315185), (78, 266695), (110, 189111), (130, 160017), (143, 145470), (165, 126074), (169, 123090), (195, 106678), (286, 72735), (330, 63037), (338, 61545), (373, 55770), (390, 53339), (429, 48490), (507, 41030), (715, 29094), (746, 27885), (845, 24618), (858, 24245), (1014, 20515), (1119, 18590), (1430, 14547), (1690, 12309), (1859, 11190), (1865, 11154), (2145, 9698), (2238, 9295), (2535, 8206), (3718, 5595), (3730, 5577), (4103, 5070), (4290, 4849)]