20719488

素因数分解:

$2^7\times 3^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 35094912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 316, 384, 474, 632, 683, 948, 1264, 1366, 1896, 2049, 2528, 2732, 3792, 4098, 5056, 5464, 7584, 8196, 10112, 10928, 15168, 16392, 21856, 30336, 32784, 43712, 53957, 65568, 87424, 107914, 131136, 161871, 215828, 262272, 323742, 431656, 647484, 863312, 1294968, 1726624, 2589936, 3453248, 5179872, 6906496, 10359744, 20719488]

約数ペア:

[(1, 20719488), (2, 10359744), (3, 6906496), (4, 5179872), (6, 3453248), (8, 2589936), (12, 1726624), (16, 1294968), (24, 863312), (32, 647484), (48, 431656), (64, 323742), (79, 262272), (96, 215828), (128, 161871), (158, 131136), (192, 107914), (237, 87424), (316, 65568), (384, 53957), (474, 43712), (632, 32784), (683, 30336), (948, 21856), (1264, 16392), (1366, 15168), (1896, 10928), (2049, 10112), (2528, 8196), (2732, 7584), (3792, 5464), (4098, 5056)]