20787696

素因数分解:

$2^4\times 3^2\times {\mathrm{241}}^1\times {\mathrm{599}}^1$

素因数の和:854

約数の個数: 60

約数和(自身を含む): 58515600

約数和(自身を除く): 37727904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 241, 482, 599, 723, 964, 1198, 1446, 1797, 1928, 2169, 2396, 2892, 3594, 3856, 4338, 4792, 5391, 5784, 7188, 8676, 9584, 10782, 11568, 14376, 17352, 21564, 28752, 34704, 43128, 86256, 144359, 288718, 433077, 577436, 866154, 1154872, 1299231, 1732308, 2309744, 2598462, 3464616, 5196924, 6929232, 10393848, 20787696]

約数ペア:

[(1, 20787696), (2, 10393848), (3, 6929232), (4, 5196924), (6, 3464616), (8, 2598462), (9, 2309744), (12, 1732308), (16, 1299231), (18, 1154872), (24, 866154), (36, 577436), (48, 433077), (72, 288718), (144, 144359), (241, 86256), (482, 43128), (599, 34704), (723, 28752), (964, 21564), (1198, 17352), (1446, 14376), (1797, 11568), (1928, 10782), (2169, 9584), (2396, 8676), (2892, 7188), (3594, 5784), (3856, 5391), (4338, 4792)]