20785934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 38610432

約数和(自身を除く): 17824498

約数列:

[1, 2, 13, 17, 26, 31, 34, 37, 41, 62, 74, 82, 221, 403, 442, 481, 527, 533, 629, 697, 806, 962, 1054, 1066, 1147, 1258, 1271, 1394, 1517, 2294, 2542, 3034, 6851, 8177, 9061, 13702, 14911, 16354, 16523, 18122, 19499, 19721, 21607, 25789, 29822, 33046, 38998, 39442, 43214, 47027, 51578, 94054, 253487, 280891, 335257, 506974, 561782, 611351, 670514, 799459, 1222702, 1598918, 10392967, 20785934]

約数ペア:

[(1, 20785934), (2, 10392967), (13, 1598918), (17, 1222702), (26, 799459), (31, 670514), (34, 611351), (37, 561782), (41, 506974), (62, 335257), (74, 280891), (82, 253487), (221, 94054), (403, 51578), (442, 47027), (481, 43214), (527, 39442), (533, 38998), (629, 33046), (697, 29822), (806, 25789), (962, 21607), (1054, 19721), (1066, 19499), (1147, 18122), (1258, 16523), (1271, 16354), (1394, 14911), (1517, 13702), (2294, 9061), (2542, 8177), (3034, 6851)]