20525340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 63431424

約数和(自身を除く): 42906084

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 137, 165, 220, 227, 274, 330, 411, 454, 548, 660, 681, 685, 822, 908, 1135, 1362, 1370, 1507, 1644, 2055, 2270, 2497, 2724, 2740, 3014, 3405, 4110, 4521, 4540, 4994, 6028, 6810, 7491, 7535, 8220, 9042, 9988, 12485, 13620, 14982, 15070, 18084, 22605, 24970, 29964, 30140, 31099, 37455, 45210, 49940, 62198, 74910, 90420, 93297, 124396, 149820, 155495, 186594, 310990, 342089, 373188, 466485, 621980, 684178, 932970, 1026267, 1368356, 1710445, 1865940, 2052534, 3420890, 4105068, 5131335, 6841780, 10262670, 20525340]

約数ペア:

[(1, 20525340), (2, 10262670), (3, 6841780), (4, 5131335), (5, 4105068), (6, 3420890), (10, 2052534), (11, 1865940), (12, 1710445), (15, 1368356), (20, 1026267), (22, 932970), (30, 684178), (33, 621980), (44, 466485), (55, 373188), (60, 342089), (66, 310990), (110, 186594), (132, 155495), (137, 149820), (165, 124396), (220, 93297), (227, 90420), (274, 74910), (330, 62198), (411, 49940), (454, 45210), (548, 37455), (660, 31099), (681, 30140), (685, 29964), (822, 24970), (908, 22605), (1135, 18084), (1362, 15070), (1370, 14982), (1507, 13620), (1644, 12485), (2055, 9988), (2270, 9042), (2497, 8220), (2724, 7535), (2740, 7491), (3014, 6810), (3405, 6028), (4110, 4994), (4521, 4540)]