20663296

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1224

約数の個数: 44

約数和(自身を含む): 43773048

約数和(自身を除く): 23109752

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 1187, 2176, 2374, 4352, 4748, 8704, 9496, 17408, 18992, 20179, 37984, 40358, 75968, 80716, 151936, 161432, 303872, 322864, 607744, 645728, 1215488, 1291456, 2582912, 5165824, 10331648, 20663296]

約数ペア:

[(1, 20663296), (2, 10331648), (4, 5165824), (8, 2582912), (16, 1291456), (17, 1215488), (32, 645728), (34, 607744), (64, 322864), (68, 303872), (128, 161432), (136, 151936), (256, 80716), (272, 75968), (512, 40358), (544, 37984), (1024, 20179), (1088, 18992), (1187, 17408), (2176, 9496), (2374, 8704), (4352, 4748)]