20288344

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{619}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 40510800

約数和(自身を除く): 20222456

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 241, 482, 619, 964, 1238, 1928, 2476, 4097, 4952, 8194, 10523, 16388, 21046, 32776, 42092, 84184, 149179, 298358, 596716, 1193432, 2536043, 5072086, 10144172, 20288344]

約数ペア:

[(1, 20288344), (2, 10144172), (4, 5072086), (8, 2536043), (17, 1193432), (34, 596716), (68, 298358), (136, 149179), (241, 84184), (482, 42092), (619, 32776), (964, 21046), (1238, 16388), (1928, 10523), (2476, 8194), (4097, 4952)]