20274592

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 45378144

約数和(自身を除く): 25103552

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 163, 169, 184, 208, 299, 326, 338, 368, 416, 598, 652, 676, 736, 1196, 1304, 1352, 2119, 2392, 2608, 2704, 3749, 3887, 4238, 4784, 5216, 5408, 7498, 7774, 8476, 9568, 14996, 15548, 16952, 27547, 29992, 31096, 33904, 48737, 55094, 59984, 62192, 67808, 97474, 110188, 119968, 124384, 194948, 220376, 389896, 440752, 633581, 779792, 881504, 1267162, 1559584, 2534324, 5068648, 10137296, 20274592]

約数ペア:

[(1, 20274592), (2, 10137296), (4, 5068648), (8, 2534324), (13, 1559584), (16, 1267162), (23, 881504), (26, 779792), (32, 633581), (46, 440752), (52, 389896), (92, 220376), (104, 194948), (163, 124384), (169, 119968), (184, 110188), (208, 97474), (299, 67808), (326, 62192), (338, 59984), (368, 55094), (416, 48737), (598, 33904), (652, 31096), (676, 29992), (736, 27547), (1196, 16952), (1304, 15548), (1352, 14996), (2119, 9568), (2392, 8476), (2608, 7774), (2704, 7498), (3749, 5408), (3887, 5216), (4238, 4784)]