20853360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2633}}^1$

素因数の和:2663

約数の個数: 120

約数和(自身を含む): 76428144

約数和(自身を除く): 55574784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2633, 2640, 3960, 5266, 7899, 7920, 10532, 13165, 15798, 21064, 23697, 26330, 28963, 31596, 39495, 42128, 47394, 52660, 57926, 63192, 78990, 86889, 94788, 105320, 115852, 118485, 126384, 144815, 157980, 173778, 189576, 210640, 231704, 236970, 260667, 289630, 315960, 347556, 379152, 434445, 463408, 473940, 521334, 579260, 631920, 695112, 868890, 947880, 1042668, 1158520, 1303335, 1390224, 1737780, 1895760, 2085336, 2317040, 2606670, 3475560, 4170672, 5213340, 6951120, 10426680, 20853360]

約数ペア:

[(1, 20853360), (2, 10426680), (3, 6951120), (4, 5213340), (5, 4170672), (6, 3475560), (8, 2606670), (9, 2317040), (10, 2085336), (11, 1895760), (12, 1737780), (15, 1390224), (16, 1303335), (18, 1158520), (20, 1042668), (22, 947880), (24, 868890), (30, 695112), (33, 631920), (36, 579260), (40, 521334), (44, 473940), (45, 463408), (48, 434445), (55, 379152), (60, 347556), (66, 315960), (72, 289630), (80, 260667), (88, 236970), (90, 231704), (99, 210640), (110, 189576), (120, 173778), (132, 157980), (144, 144815), (165, 126384), (176, 118485), (180, 115852), (198, 105320), (220, 94788), (240, 86889), (264, 78990), (330, 63192), (360, 57926), (396, 52660), (440, 47394), (495, 42128), (528, 39495), (660, 31596), (720, 28963), (792, 26330), (880, 23697), (990, 21064), (1320, 15798), (1584, 13165), (1980, 10532), (2633, 7920), (2640, 7899), (3960, 5266)]