20927664

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7649}}^1$

素因数の和:7682

約数の個数: 60

約数和(自身を含む): 61659000

約数和(自身を除く): 40731336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7649, 15298, 22947, 30596, 45894, 61192, 68841, 91788, 122384, 137682, 145331, 183576, 275364, 290662, 367152, 435993, 550728, 581324, 871986, 1101456, 1162648, 1307979, 1743972, 2325296, 2615958, 3487944, 5231916, 6975888, 10463832, 20927664]

約数ペア:

[(1, 20927664), (2, 10463832), (3, 6975888), (4, 5231916), (6, 3487944), (8, 2615958), (9, 2325296), (12, 1743972), (16, 1307979), (18, 1162648), (19, 1101456), (24, 871986), (36, 581324), (38, 550728), (48, 435993), (57, 367152), (72, 290662), (76, 275364), (114, 183576), (144, 145331), (152, 137682), (171, 122384), (228, 91788), (304, 68841), (342, 61192), (456, 45894), (684, 30596), (912, 22947), (1368, 15298), (2736, 7649)]