20686500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4597}}^1$

素因数の和:4622

約数の個数: 72

約数和(自身を含む): 65273208

約数和(自身を除く): 44586708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4597, 9194, 13791, 18388, 22985, 27582, 41373, 45970, 55164, 68955, 82746, 91940, 114925, 137910, 165492, 206865, 229850, 275820, 344775, 413730, 459700, 574625, 689550, 827460, 1034325, 1149250, 1379100, 1723875, 2068650, 2298500, 3447750, 4137300, 5171625, 6895500, 10343250, 20686500]

約数ペア:

[(1, 20686500), (2, 10343250), (3, 6895500), (4, 5171625), (5, 4137300), (6, 3447750), (9, 2298500), (10, 2068650), (12, 1723875), (15, 1379100), (18, 1149250), (20, 1034325), (25, 827460), (30, 689550), (36, 574625), (45, 459700), (50, 413730), (60, 344775), (75, 275820), (90, 229850), (100, 206865), (125, 165492), (150, 137910), (180, 114925), (225, 91940), (250, 82746), (300, 68955), (375, 55164), (450, 45970), (500, 41373), (750, 27582), (900, 22985), (1125, 18388), (1500, 13791), (2250, 9194), (4500, 4597)]