20067344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 47407680

約数和(自身を除く): 27340336

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 176, 187, 209, 272, 304, 323, 353, 374, 418, 646, 706, 748, 836, 1292, 1412, 1496, 1672, 2584, 2824, 2992, 3344, 3553, 3883, 5168, 5648, 6001, 6707, 7106, 7766, 12002, 13414, 14212, 15532, 24004, 26828, 28424, 31064, 48008, 53656, 56848, 62128, 66011, 73777, 96016, 107312, 114019, 132022, 147554, 228038, 264044, 295108, 456076, 528088, 590216, 912152, 1056176, 1180432, 1254209, 1824304, 2508418, 5016836, 10033672, 20067344]

約数ペア:

[(1, 20067344), (2, 10033672), (4, 5016836), (8, 2508418), (11, 1824304), (16, 1254209), (17, 1180432), (19, 1056176), (22, 912152), (34, 590216), (38, 528088), (44, 456076), (68, 295108), (76, 264044), (88, 228038), (136, 147554), (152, 132022), (176, 114019), (187, 107312), (209, 96016), (272, 73777), (304, 66011), (323, 62128), (353, 56848), (374, 53656), (418, 48008), (646, 31064), (706, 28424), (748, 26828), (836, 24004), (1292, 15532), (1412, 14212), (1496, 13414), (1672, 12002), (2584, 7766), (2824, 7106), (2992, 6707), (3344, 6001), (3553, 5648), (3883, 5168)]