20351562

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 128

約数和(自身を含む): 55296000

約数和(自身を除く): 34944438

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 31, 33, 42, 49, 58, 62, 66, 77, 87, 93, 98, 147, 154, 174, 186, 203, 217, 231, 294, 319, 341, 343, 406, 434, 462, 539, 609, 638, 651, 682, 686, 899, 957, 1023, 1029, 1078, 1218, 1302, 1421, 1519, 1617, 1798, 1914, 2046, 2058, 2233, 2387, 2697, 2842, 3038, 3234, 3773, 4263, 4466, 4557, 4774, 5394, 6293, 6699, 7161, 7546, 8526, 9114, 9889, 9947, 10633, 11319, 12586, 13398, 14322, 15631, 16709, 18879, 19778, 19894, 21266, 22638, 29667, 29841, 31262, 31899, 33418, 37758, 44051, 46893, 50127, 59334, 59682, 63798, 69223, 88102, 93786, 100254, 109417, 116963, 132153, 138446, 207669, 218834, 233926, 264306, 308357, 328251, 350889, 415338, 484561, 616714, 656502, 701778, 925071, 969122, 1453683, 1850142, 2907366, 3391927, 6783854, 10175781, 20351562]

約数ペア:

[(1, 20351562), (2, 10175781), (3, 6783854), (6, 3391927), (7, 2907366), (11, 1850142), (14, 1453683), (21, 969122), (22, 925071), (29, 701778), (31, 656502), (33, 616714), (42, 484561), (49, 415338), (58, 350889), (62, 328251), (66, 308357), (77, 264306), (87, 233926), (93, 218834), (98, 207669), (147, 138446), (154, 132153), (174, 116963), (186, 109417), (203, 100254), (217, 93786), (231, 88102), (294, 69223), (319, 63798), (341, 59682), (343, 59334), (406, 50127), (434, 46893), (462, 44051), (539, 37758), (609, 33418), (638, 31899), (651, 31262), (682, 29841), (686, 29667), (899, 22638), (957, 21266), (1023, 19894), (1029, 19778), (1078, 18879), (1218, 16709), (1302, 15631), (1421, 14322), (1519, 13398), (1617, 12586), (1798, 11319), (1914, 10633), (2046, 9947), (2058, 9889), (2233, 9114), (2387, 8526), (2697, 7546), (2842, 7161), (3038, 6699), (3234, 6293), (3773, 5394), (4263, 4774), (4466, 4557)]