20282220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16097}}^1$

素因数の和:16119

約数の個数: 72

約数和(自身を含む): 70316064

約数和(自身を除く): 50033844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16097, 32194, 48291, 64388, 80485, 96582, 112679, 144873, 160970, 193164, 225358, 241455, 289746, 321940, 338037, 450716, 482910, 563395, 579492, 676074, 724365, 965820, 1014111, 1126790, 1352148, 1448730, 1690185, 2028222, 2253580, 2897460, 3380370, 4056444, 5070555, 6760740, 10141110, 20282220]

約数ペア:

[(1, 20282220), (2, 10141110), (3, 6760740), (4, 5070555), (5, 4056444), (6, 3380370), (7, 2897460), (9, 2253580), (10, 2028222), (12, 1690185), (14, 1448730), (15, 1352148), (18, 1126790), (20, 1014111), (21, 965820), (28, 724365), (30, 676074), (35, 579492), (36, 563395), (42, 482910), (45, 450716), (60, 338037), (63, 321940), (70, 289746), (84, 241455), (90, 225358), (105, 193164), (126, 160970), (140, 144873), (180, 112679), (210, 96582), (252, 80485), (315, 64388), (420, 48291), (630, 32194), (1260, 16097)]