20436352

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 22648448

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 79, 86, 94, 128, 158, 172, 188, 316, 344, 376, 632, 688, 752, 1264, 1376, 1504, 2021, 2528, 2752, 3008, 3397, 3713, 4042, 5056, 5504, 6016, 6794, 7426, 8084, 10112, 13588, 14852, 16168, 27176, 29704, 32336, 54352, 59408, 64672, 108704, 118816, 129344, 159659, 217408, 237632, 258688, 319318, 434816, 475264, 638636, 1277272, 2554544, 5109088, 10218176, 20436352]

約数ペア:

[(1, 20436352), (2, 10218176), (4, 5109088), (8, 2554544), (16, 1277272), (32, 638636), (43, 475264), (47, 434816), (64, 319318), (79, 258688), (86, 237632), (94, 217408), (128, 159659), (158, 129344), (172, 118816), (188, 108704), (316, 64672), (344, 59408), (376, 54352), (632, 32336), (688, 29704), (752, 27176), (1264, 16168), (1376, 14852), (1504, 13588), (2021, 10112), (2528, 8084), (2752, 7426), (3008, 6794), (3397, 6016), (3713, 5504), (4042, 5056)]