20257887294

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{19259}}^1$

素因数の和:19467

約数の個数: 80

約数和(自身を含む): 46758349440

約数和(自身を除く): 26500462146

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 151, 162, 258, 302, 387, 453, 774, 906, 1161, 1359, 2322, 2718, 3483, 4077, 6493, 6966, 8154, 12231, 12986, 19259, 19479, 24462, 38518, 38958, 57777, 58437, 115554, 116874, 173331, 175311, 346662, 350622, 519993, 525933, 828137, 1039986, 1051866, 1559979, 1656274, 2484411, 2908109, 3119958, 4968822, 5816218, 7453233, 8724327, 14906466, 17448654, 22359699, 26172981, 44719398, 52345962, 67079097, 78518943, 125048687, 134158194, 157037886, 235556829, 250097374, 375146061, 471113658, 750292122, 1125438183, 2250876366, 3376314549, 6752629098, 10128943647, 20257887294]

約数ペア:

[(1, 20257887294), (2, 10128943647), (3, 6752629098), (6, 3376314549), (9, 2250876366), (18, 1125438183), (27, 750292122), (43, 471113658), (54, 375146061), (81, 250097374), (86, 235556829), (129, 157037886), (151, 134158194), (162, 125048687), (258, 78518943), (302, 67079097), (387, 52345962), (453, 44719398), (774, 26172981), (906, 22359699), (1161, 17448654), (1359, 14906466), (2322, 8724327), (2718, 7453233), (3483, 5816218), (4077, 4968822), (6493, 3119958), (6966, 2908109), (8154, 2484411), (12231, 1656274), (12986, 1559979), (19259, 1051866), (19479, 1039986), (24462, 828137), (38518, 525933), (38958, 519993), (57777, 350622), (58437, 346662), (115554, 175311), (116874, 173331)]