20554248

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 62052480

約数和(自身を除く): 41498232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 53, 66, 78, 88, 104, 106, 113, 132, 143, 156, 159, 212, 226, 264, 286, 312, 318, 339, 424, 429, 452, 572, 583, 636, 678, 689, 858, 904, 1144, 1166, 1243, 1272, 1356, 1378, 1469, 1716, 1749, 2067, 2332, 2486, 2712, 2756, 2938, 3432, 3498, 3729, 4134, 4407, 4664, 4972, 5512, 5876, 5989, 6996, 7458, 7579, 8268, 8814, 9944, 11752, 11978, 13992, 14916, 15158, 16159, 16536, 17628, 17967, 22737, 23956, 29832, 30316, 32318, 35256, 35934, 45474, 47912, 48477, 60632, 64636, 65879, 71868, 77857, 90948, 96954, 129272, 131758, 143736, 155714, 181896, 193908, 197637, 233571, 263516, 311428, 387816, 395274, 467142, 527032, 622856, 790548, 856427, 934284, 1581096, 1712854, 1868568, 2569281, 3425708, 5138562, 6851416, 10277124, 20554248]

約数ペア:

[(1, 20554248), (2, 10277124), (3, 6851416), (4, 5138562), (6, 3425708), (8, 2569281), (11, 1868568), (12, 1712854), (13, 1581096), (22, 934284), (24, 856427), (26, 790548), (33, 622856), (39, 527032), (44, 467142), (52, 395274), (53, 387816), (66, 311428), (78, 263516), (88, 233571), (104, 197637), (106, 193908), (113, 181896), (132, 155714), (143, 143736), (156, 131758), (159, 129272), (212, 96954), (226, 90948), (264, 77857), (286, 71868), (312, 65879), (318, 64636), (339, 60632), (424, 48477), (429, 47912), (452, 45474), (572, 35934), (583, 35256), (636, 32318), (678, 30316), (689, 29832), (858, 23956), (904, 22737), (1144, 17967), (1166, 17628), (1243, 16536), (1272, 16159), (1356, 15158), (1378, 14916), (1469, 13992), (1716, 11978), (1749, 11752), (2067, 9944), (2332, 8814), (2486, 8268), (2712, 7579), (2756, 7458), (2938, 6996), (3432, 5989), (3498, 5876), (3729, 5512), (4134, 4972), (4407, 4664)]