20995182

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 31840146

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 47, 69, 78, 83, 94, 117, 138, 141, 166, 207, 234, 249, 282, 299, 414, 423, 498, 598, 611, 747, 846, 897, 1079, 1081, 1222, 1494, 1794, 1833, 1909, 2158, 2162, 2691, 3237, 3243, 3666, 3818, 3901, 5382, 5499, 5727, 6474, 6486, 7802, 9711, 9729, 10998, 11454, 11703, 14053, 17181, 19422, 19458, 23406, 24817, 28106, 34362, 35109, 42159, 49634, 50713, 70218, 74451, 84318, 89723, 101426, 126477, 148902, 152139, 179446, 223353, 252954, 269169, 304278, 446706, 456417, 538338, 807507, 912834, 1166399, 1615014, 2332798, 3499197, 6998394, 10497591, 20995182]

約数ペア:

[(1, 20995182), (2, 10497591), (3, 6998394), (6, 3499197), (9, 2332798), (13, 1615014), (18, 1166399), (23, 912834), (26, 807507), (39, 538338), (46, 456417), (47, 446706), (69, 304278), (78, 269169), (83, 252954), (94, 223353), (117, 179446), (138, 152139), (141, 148902), (166, 126477), (207, 101426), (234, 89723), (249, 84318), (282, 74451), (299, 70218), (414, 50713), (423, 49634), (498, 42159), (598, 35109), (611, 34362), (747, 28106), (846, 24817), (897, 23406), (1079, 19458), (1081, 19422), (1222, 17181), (1494, 14053), (1794, 11703), (1833, 11454), (1909, 10998), (2158, 9729), (2162, 9711), (2691, 7802), (3237, 6486), (3243, 6474), (3666, 5727), (3818, 5499), (3901, 5382)]