20724224

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2381}}^1$

素因数の和:2416

約数の個数: 40

約数和(自身を含む): 43862148

約数和(自身を除く): 23137924

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2381, 4352, 4762, 8704, 9524, 19048, 38096, 40477, 76192, 80954, 152384, 161908, 304768, 323816, 609536, 647632, 1219072, 1295264, 2590528, 5181056, 10362112, 20724224]

約数ペア:

[(1, 20724224), (2, 10362112), (4, 5181056), (8, 2590528), (16, 1295264), (17, 1219072), (32, 647632), (34, 609536), (64, 323816), (68, 304768), (128, 161908), (136, 152384), (256, 80954), (272, 76192), (512, 40477), (544, 38096), (1088, 19048), (2176, 9524), (2381, 8704), (4352, 4762)]