20163744

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 72

約数和(自身を含む): 58466772

約数和(自身を除く): 38303028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1321, 1696, 1908, 2544, 2642, 3816, 3963, 5088, 5284, 7632, 7926, 10568, 11889, 15264, 15852, 21136, 23778, 31704, 42272, 47556, 63408, 70013, 95112, 126816, 140026, 190224, 210039, 280052, 380448, 420078, 560104, 630117, 840156, 1120208, 1260234, 1680312, 2240416, 2520468, 3360624, 5040936, 6721248, 10081872, 20163744]

約数ペア:

[(1, 20163744), (2, 10081872), (3, 6721248), (4, 5040936), (6, 3360624), (8, 2520468), (9, 2240416), (12, 1680312), (16, 1260234), (18, 1120208), (24, 840156), (32, 630117), (36, 560104), (48, 420078), (53, 380448), (72, 280052), (96, 210039), (106, 190224), (144, 140026), (159, 126816), (212, 95112), (288, 70013), (318, 63408), (424, 47556), (477, 42272), (636, 31704), (848, 23778), (954, 21136), (1272, 15852), (1321, 15264), (1696, 11889), (1908, 10568), (2544, 7926), (2642, 7632), (3816, 5284), (3963, 5088)]