20253420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 68638752

約数和(自身を除く): 48385332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 90, 99, 106, 110, 132, 159, 165, 180, 193, 198, 212, 220, 265, 318, 330, 386, 396, 477, 495, 530, 579, 583, 636, 660, 772, 795, 954, 965, 990, 1060, 1158, 1166, 1590, 1737, 1749, 1908, 1930, 1980, 2123, 2316, 2332, 2385, 2895, 2915, 3180, 3474, 3498, 3860, 4246, 4770, 5247, 5790, 5830, 6369, 6948, 6996, 8492, 8685, 8745, 9540, 10229, 10494, 10615, 11580, 11660, 12738, 17370, 17490, 19107, 20458, 20988, 21230, 25476, 26235, 30687, 31845, 34740, 34980, 38214, 40916, 42460, 51145, 52470, 61374, 63690, 76428, 92061, 95535, 102290, 104940, 112519, 122748, 127380, 153435, 184122, 191070, 204580, 225038, 306870, 337557, 368244, 382140, 450076, 460305, 562595, 613740, 675114, 920610, 1012671, 1125190, 1350228, 1687785, 1841220, 2025342, 2250380, 3375570, 4050684, 5063355, 6751140, 10126710, 20253420]

約数ペア:

[(1, 20253420), (2, 10126710), (3, 6751140), (4, 5063355), (5, 4050684), (6, 3375570), (9, 2250380), (10, 2025342), (11, 1841220), (12, 1687785), (15, 1350228), (18, 1125190), (20, 1012671), (22, 920610), (30, 675114), (33, 613740), (36, 562595), (44, 460305), (45, 450076), (53, 382140), (55, 368244), (60, 337557), (66, 306870), (90, 225038), (99, 204580), (106, 191070), (110, 184122), (132, 153435), (159, 127380), (165, 122748), (180, 112519), (193, 104940), (198, 102290), (212, 95535), (220, 92061), (265, 76428), (318, 63690), (330, 61374), (386, 52470), (396, 51145), (477, 42460), (495, 40916), (530, 38214), (579, 34980), (583, 34740), (636, 31845), (660, 30687), (772, 26235), (795, 25476), (954, 21230), (965, 20988), (990, 20458), (1060, 19107), (1158, 17490), (1166, 17370), (1590, 12738), (1737, 11660), (1749, 11580), (1908, 10615), (1930, 10494), (1980, 10229), (2123, 9540), (2316, 8745), (2332, 8685), (2385, 8492), (2895, 6996), (2915, 6948), (3180, 6369), (3474, 5830), (3498, 5790), (3860, 5247), (4246, 4770)]