20627464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 48751200

約数和(自身を除く): 28123736

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 73, 76, 88, 104, 143, 146, 152, 169, 209, 247, 286, 292, 338, 418, 494, 572, 584, 676, 803, 836, 949, 988, 1144, 1352, 1387, 1606, 1672, 1859, 1898, 1976, 2717, 2774, 3211, 3212, 3718, 3796, 5434, 5548, 6422, 6424, 7436, 7592, 10439, 10868, 11096, 12337, 12844, 14872, 15257, 18031, 20878, 21736, 24674, 25688, 30514, 35321, 36062, 41756, 49348, 61028, 70642, 72124, 83512, 98696, 122056, 135707, 141284, 144248, 198341, 234403, 271414, 282568, 396682, 468806, 542828, 793364, 937612, 1085656, 1586728, 1875224, 2578433, 5156866, 10313732, 20627464]

約数ペア:

[(1, 20627464), (2, 10313732), (4, 5156866), (8, 2578433), (11, 1875224), (13, 1586728), (19, 1085656), (22, 937612), (26, 793364), (38, 542828), (44, 468806), (52, 396682), (73, 282568), (76, 271414), (88, 234403), (104, 198341), (143, 144248), (146, 141284), (152, 135707), (169, 122056), (209, 98696), (247, 83512), (286, 72124), (292, 70642), (338, 61028), (418, 49348), (494, 41756), (572, 36062), (584, 35321), (676, 30514), (803, 25688), (836, 24674), (949, 21736), (988, 20878), (1144, 18031), (1352, 15257), (1387, 14872), (1606, 12844), (1672, 12337), (1859, 11096), (1898, 10868), (1976, 10439), (2717, 7592), (2774, 7436), (3211, 6424), (3212, 6422), (3718, 5548), (3796, 5434)]