20951072

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2073

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25043968

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2027, 2584, 4054, 5168, 8108, 10336, 16216, 32432, 34459, 38513, 64864, 68918, 77026, 137836, 154052, 275672, 308104, 551344, 616208, 654721, 1102688, 1232416, 1309442, 2618884, 5237768, 10475536, 20951072]

約数ペア:

[(1, 20951072), (2, 10475536), (4, 5237768), (8, 2618884), (16, 1309442), (17, 1232416), (19, 1102688), (32, 654721), (34, 616208), (38, 551344), (68, 308104), (76, 275672), (136, 154052), (152, 137836), (272, 77026), (304, 68918), (323, 64864), (544, 38513), (608, 34459), (646, 32432), (1292, 16216), (2027, 10336), (2584, 8108), (4054, 5168)]