20393340

素因数分解:

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

素因数の和:140

約数の個数: 108

約数和(自身を含む): 63970872

約数和(自身を除く): 43577532

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 53, 55, 60, 66, 106, 110, 121, 132, 159, 165, 212, 220, 242, 265, 318, 330, 363, 484, 530, 583, 605, 636, 660, 726, 795, 1060, 1166, 1210, 1452, 1590, 1749, 1815, 2332, 2420, 2809, 2915, 3180, 3498, 3630, 5618, 5830, 6413, 6996, 7260, 8427, 8745, 11236, 11660, 12826, 14045, 16854, 17490, 19239, 25652, 28090, 30899, 32065, 33708, 34980, 38478, 42135, 56180, 61798, 64130, 76956, 84270, 92697, 96195, 123596, 128260, 154495, 168540, 185394, 192390, 308990, 339889, 370788, 384780, 463485, 617980, 679778, 926970, 1019667, 1359556, 1699445, 1853940, 2039334, 3398890, 4078668, 5098335, 6797780, 10196670, 20393340]

約数ペア:

[(1, 20393340), (2, 10196670), (3, 6797780), (4, 5098335), (5, 4078668), (6, 3398890), (10, 2039334), (11, 1853940), (12, 1699445), (15, 1359556), (20, 1019667), (22, 926970), (30, 679778), (33, 617980), (44, 463485), (53, 384780), (55, 370788), (60, 339889), (66, 308990), (106, 192390), (110, 185394), (121, 168540), (132, 154495), (159, 128260), (165, 123596), (212, 96195), (220, 92697), (242, 84270), (265, 76956), (318, 64130), (330, 61798), (363, 56180), (484, 42135), (530, 38478), (583, 34980), (605, 33708), (636, 32065), (660, 30899), (726, 28090), (795, 25652), (1060, 19239), (1166, 17490), (1210, 16854), (1452, 14045), (1590, 12826), (1749, 11660), (1815, 11236), (2332, 8745), (2420, 8427), (2809, 7260), (2915, 6996), (3180, 6413), (3498, 5830), (3630, 5618)]