20198397870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10686983}}^1$

素因数の和:10687006

約数の個数: 64

約数和(自身を含む): 61557027840

約数和(自身を除く): 41358629970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10686983, 21373966, 32060949, 53434915, 64121898, 74808881, 96182847, 106869830, 149617762, 160304745, 192365694, 224426643, 288548541, 320609490, 374044405, 448853286, 480914235, 577097082, 673279929, 748088810, 961828470, 1122133215, 1346559858, 1442742705, 2019839787, 2244266430, 2885485410, 3366399645, 4039679574, 6732799290, 10099198935, 20198397870]

約数ペア:

[(1, 20198397870), (2, 10099198935), (3, 6732799290), (5, 4039679574), (6, 3366399645), (7, 2885485410), (9, 2244266430), (10, 2019839787), (14, 1442742705), (15, 1346559858), (18, 1122133215), (21, 961828470), (27, 748088810), (30, 673279929), (35, 577097082), (42, 480914235), (45, 448853286), (54, 374044405), (63, 320609490), (70, 288548541), (90, 224426643), (105, 192365694), (126, 160304745), (135, 149617762), (189, 106869830), (210, 96182847), (270, 74808881), (315, 64121898), (378, 53434915), (630, 32060949), (945, 21373966), (1890, 10686983)]