20376928

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 48559392

約数和(自身を除く): 28182464

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 61, 73, 88, 104, 122, 143, 146, 176, 208, 244, 286, 292, 352, 416, 488, 572, 584, 671, 793, 803, 949, 976, 1144, 1168, 1342, 1586, 1606, 1898, 1952, 2288, 2336, 2684, 3172, 3212, 3796, 4453, 4576, 5368, 6344, 6424, 7592, 8723, 8906, 10439, 10736, 12688, 12848, 15184, 17446, 17812, 20878, 21472, 25376, 25696, 30368, 34892, 35624, 41756, 48983, 57889, 69784, 71248, 83512, 97966, 115778, 139568, 142496, 167024, 195932, 231556, 279136, 334048, 391864, 463112, 636779, 783728, 926224, 1273558, 1567456, 1852448, 2547116, 5094232, 10188464, 20376928]

約数ペア:

[(1, 20376928), (2, 10188464), (4, 5094232), (8, 2547116), (11, 1852448), (13, 1567456), (16, 1273558), (22, 926224), (26, 783728), (32, 636779), (44, 463112), (52, 391864), (61, 334048), (73, 279136), (88, 231556), (104, 195932), (122, 167024), (143, 142496), (146, 139568), (176, 115778), (208, 97966), (244, 83512), (286, 71248), (292, 69784), (352, 57889), (416, 48983), (488, 41756), (572, 35624), (584, 34892), (671, 30368), (793, 25696), (803, 25376), (949, 21472), (976, 20878), (1144, 17812), (1168, 17446), (1342, 15184), (1586, 12848), (1606, 12688), (1898, 10736), (1952, 10439), (2288, 8906), (2336, 8723), (2684, 7592), (3172, 6424), (3212, 6344), (3796, 5368), (4453, 4576)]