20525274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36084006

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 59, 63, 66, 77, 99, 118, 126, 154, 177, 198, 231, 251, 354, 413, 462, 502, 531, 649, 693, 753, 826, 1062, 1239, 1298, 1386, 1506, 1757, 1947, 2259, 2478, 2761, 3514, 3717, 3894, 4518, 4543, 5271, 5522, 5841, 7434, 8283, 9086, 10542, 11682, 13629, 14809, 15813, 16566, 19327, 24849, 27258, 29618, 31626, 38654, 40887, 44427, 49698, 57981, 81774, 88854, 103663, 115962, 133281, 162899, 173943, 207326, 266562, 310989, 325798, 347886, 488697, 621978, 932967, 977394, 1140293, 1466091, 1865934, 2280586, 2932182, 3420879, 6841758, 10262637, 20525274]

約数ペア:

[(1, 20525274), (2, 10262637), (3, 6841758), (6, 3420879), (7, 2932182), (9, 2280586), (11, 1865934), (14, 1466091), (18, 1140293), (21, 977394), (22, 932967), (33, 621978), (42, 488697), (59, 347886), (63, 325798), (66, 310989), (77, 266562), (99, 207326), (118, 173943), (126, 162899), (154, 133281), (177, 115962), (198, 103663), (231, 88854), (251, 81774), (354, 57981), (413, 49698), (462, 44427), (502, 40887), (531, 38654), (649, 31626), (693, 29618), (753, 27258), (826, 24849), (1062, 19327), (1239, 16566), (1298, 15813), (1386, 14809), (1506, 13629), (1757, 11682), (1947, 10542), (2259, 9086), (2478, 8283), (2761, 7434), (3514, 5841), (3717, 5522), (3894, 5271), (4518, 4543)]