20712157621

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{4229}}^1$

素因数の和:4581

約数の個数: 32

約数和(自身を含む): 23572944000

約数和(自身を除く): 2860786379

約数列:

[1, 17, 19, 59, 257, 323, 1003, 1121, 4229, 4369, 4883, 15163, 19057, 71893, 80351, 83011, 249511, 257771, 288097, 1086853, 1365967, 4241687, 4740709, 4897649, 18476501, 20650207, 64124327, 80592053, 351053519, 1090113559, 1218362213, 20712157621]

約数ペア:

[(1, 20712157621), (17, 1218362213), (19, 1090113559), (59, 351053519), (257, 80592053), (323, 64124327), (1003, 20650207), (1121, 18476501), (4229, 4897649), (4369, 4740709), (4883, 4241687), (15163, 1365967), (19057, 1086853), (71893, 288097), (80351, 257771), (83011, 249511)]