20503656

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 37678104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 73, 83, 94, 141, 146, 166, 188, 219, 249, 282, 292, 332, 376, 423, 438, 498, 564, 584, 657, 664, 747, 846, 876, 996, 1128, 1314, 1494, 1692, 1752, 1992, 2628, 2988, 3384, 3431, 3901, 5256, 5976, 6059, 6862, 7802, 10293, 11703, 12118, 13724, 15604, 18177, 20586, 23406, 24236, 27448, 30879, 31208, 35109, 36354, 41172, 46812, 48472, 54531, 61758, 70218, 72708, 82344, 93624, 109062, 123516, 140436, 145416, 218124, 247032, 280872, 284773, 436248, 569546, 854319, 1139092, 1708638, 2278184, 2562957, 3417276, 5125914, 6834552, 10251828, 20503656]

約数ペア:

[(1, 20503656), (2, 10251828), (3, 6834552), (4, 5125914), (6, 3417276), (8, 2562957), (9, 2278184), (12, 1708638), (18, 1139092), (24, 854319), (36, 569546), (47, 436248), (72, 284773), (73, 280872), (83, 247032), (94, 218124), (141, 145416), (146, 140436), (166, 123516), (188, 109062), (219, 93624), (249, 82344), (282, 72708), (292, 70218), (332, 61758), (376, 54531), (423, 48472), (438, 46812), (498, 41172), (564, 36354), (584, 35109), (657, 31208), (664, 30879), (747, 27448), (846, 24236), (876, 23406), (996, 20586), (1128, 18177), (1314, 15604), (1494, 13724), (1692, 12118), (1752, 11703), (1992, 10293), (2628, 7802), (2988, 6862), (3384, 6059), (3431, 5976), (3901, 5256)]