20157627345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{21557}}^1$

素因数の和:21794

約数の個数: 64

約数和(自身を含む): 36134657280

約数和(自身を除く): 15977029935

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 193, 255, 285, 323, 579, 965, 969, 1615, 2895, 3281, 3667, 4845, 9843, 11001, 16405, 18335, 21557, 49215, 55005, 62339, 64671, 107785, 187017, 311695, 323355, 366469, 409583, 935085, 1099407, 1228749, 1832345, 2047915, 4160501, 5497035, 6143745, 6962911, 12481503, 20802505, 20888733, 34814555, 62407515, 70728517, 79049519, 104443665, 212185551, 237148557, 353642585, 395247595, 1060927755, 1185742785, 1343841823, 4031525469, 6719209115, 20157627345]

約数ペア:

[(1, 20157627345), (3, 6719209115), (5, 4031525469), (15, 1343841823), (17, 1185742785), (19, 1060927755), (51, 395247595), (57, 353642585), (85, 237148557), (95, 212185551), (193, 104443665), (255, 79049519), (285, 70728517), (323, 62407515), (579, 34814555), (965, 20888733), (969, 20802505), (1615, 12481503), (2895, 6962911), (3281, 6143745), (3667, 5497035), (4845, 4160501), (9843, 2047915), (11001, 1832345), (16405, 1228749), (18335, 1099407), (21557, 935085), (49215, 409583), (55005, 366469), (62339, 323355), (64671, 311695), (107785, 187017)]