20796611290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{95621}}^1$

素因数の和:95887

約数の個数: 64

約数和(自身を含む): 46265748480

約数和(自身を除く): 25469137190

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 239, 455, 478, 910, 1195, 1673, 2390, 3107, 3346, 6214, 8365, 15535, 16730, 21749, 31070, 43498, 95621, 108745, 191242, 217490, 478105, 669347, 956210, 1243073, 1338694, 2486146, 3346735, 6215365, 6693470, 8701511, 12430730, 17403022, 22853419, 43507555, 45706838, 87015110, 114267095, 159973933, 228534190, 297094447, 319947866, 594188894, 799869665, 1485472235, 1599739330, 2079661129, 2970944470, 4159322258, 10398305645, 20796611290]

約数ペア:

[(1, 20796611290), (2, 10398305645), (5, 4159322258), (7, 2970944470), (10, 2079661129), (13, 1599739330), (14, 1485472235), (26, 799869665), (35, 594188894), (65, 319947866), (70, 297094447), (91, 228534190), (130, 159973933), (182, 114267095), (239, 87015110), (455, 45706838), (478, 43507555), (910, 22853419), (1195, 17403022), (1673, 12430730), (2390, 8701511), (3107, 6693470), (3346, 6215365), (6214, 3346735), (8365, 2486146), (15535, 1338694), (16730, 1243073), (21749, 956210), (31070, 669347), (43498, 478105), (95621, 217490), (108745, 191242)]