20338344

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7243}}^1$

素因数の和:7271

約数の個数: 64

約数和(自身を含む): 60849600

約数和(自身を除く): 40511256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7243, 14486, 21729, 28972, 43458, 57944, 65187, 86916, 94159, 130374, 173832, 188318, 195561, 260748, 282477, 376636, 391122, 521496, 564954, 753272, 782244, 847431, 1129908, 1564488, 1694862, 2259816, 2542293, 3389724, 5084586, 6779448, 10169172, 20338344]

約数ペア:

[(1, 20338344), (2, 10169172), (3, 6779448), (4, 5084586), (6, 3389724), (8, 2542293), (9, 2259816), (12, 1694862), (13, 1564488), (18, 1129908), (24, 847431), (26, 782244), (27, 753272), (36, 564954), (39, 521496), (52, 391122), (54, 376636), (72, 282477), (78, 260748), (104, 195561), (108, 188318), (117, 173832), (156, 130374), (216, 94159), (234, 86916), (312, 65187), (351, 57944), (468, 43458), (702, 28972), (936, 21729), (1404, 14486), (2808, 7243)]