16820388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 46312448

約数和(自身を除く): 29492060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 283, 381, 468, 508, 566, 762, 849, 1132, 1143, 1524, 1651, 1698, 2286, 2547, 3302, 3396, 3679, 4572, 4953, 5094, 6604, 7358, 9906, 10188, 11037, 14716, 14859, 19812, 22074, 29718, 33111, 35941, 44148, 59436, 66222, 71882, 107823, 132444, 143764, 215646, 323469, 431292, 467233, 646938, 934466, 1293876, 1401699, 1868932, 2803398, 4205097, 5606796, 8410194, 16820388]

約数ペア:

[(1, 16820388), (2, 8410194), (3, 5606796), (4, 4205097), (6, 2803398), (9, 1868932), (12, 1401699), (13, 1293876), (18, 934466), (26, 646938), (36, 467233), (39, 431292), (52, 323469), (78, 215646), (117, 143764), (127, 132444), (156, 107823), (234, 71882), (254, 66222), (283, 59436), (381, 44148), (468, 35941), (508, 33111), (566, 29718), (762, 22074), (849, 19812), (1132, 14859), (1143, 14716), (1524, 11037), (1651, 10188), (1698, 9906), (2286, 7358), (2547, 6604), (3302, 5094), (3396, 4953), (3679, 4572)]