20742930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17729}}^1$

素因数の和:17755

約数の個数: 48

約数和(自身を含む): 58083480

約数和(自身を除く): 37340550

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17729, 35458, 53187, 88645, 106374, 159561, 177290, 230477, 265935, 319122, 460954, 531870, 691431, 797805, 1152385, 1382862, 1595610, 2074293, 2304770, 3457155, 4148586, 6914310, 10371465, 20742930]

約数ペア:

[(1, 20742930), (2, 10371465), (3, 6914310), (5, 4148586), (6, 3457155), (9, 2304770), (10, 2074293), (13, 1595610), (15, 1382862), (18, 1152385), (26, 797805), (30, 691431), (39, 531870), (45, 460954), (65, 319122), (78, 265935), (90, 230477), (117, 177290), (130, 159561), (195, 106374), (234, 88645), (390, 53187), (585, 35458), (1170, 17729)]