20343932

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 22173508

約数列:

[1, 2, 4, 7, 14, 28, 37, 73, 74, 146, 148, 259, 269, 292, 511, 518, 538, 1022, 1036, 1076, 1883, 2044, 2701, 3766, 5402, 7532, 9953, 10804, 18907, 19637, 19906, 37814, 39274, 39812, 69671, 75628, 78548, 137459, 139342, 274918, 278684, 549836, 726569, 1453138, 2906276, 5085983, 10171966, 20343932]

約数ペア:

[(1, 20343932), (2, 10171966), (4, 5085983), (7, 2906276), (14, 1453138), (28, 726569), (37, 549836), (73, 278684), (74, 274918), (146, 139342), (148, 137459), (259, 78548), (269, 75628), (292, 69671), (511, 39812), (518, 39274), (538, 37814), (1022, 19906), (1036, 19637), (1076, 18907), (1883, 10804), (2044, 9953), (2701, 7532), (3766, 5402)]