20197944

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7193}}^1$

素因数の和:7221

約数の個数: 64

約数和(自身を含む): 60429600

約数和(自身を除く): 40231656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7193, 14386, 21579, 28772, 43158, 57544, 64737, 86316, 93509, 129474, 172632, 187018, 194211, 258948, 280527, 374036, 388422, 517896, 561054, 748072, 776844, 841581, 1122108, 1553688, 1683162, 2244216, 2524743, 3366324, 5049486, 6732648, 10098972, 20197944]

約数ペア:

[(1, 20197944), (2, 10098972), (3, 6732648), (4, 5049486), (6, 3366324), (8, 2524743), (9, 2244216), (12, 1683162), (13, 1553688), (18, 1122108), (24, 841581), (26, 776844), (27, 748072), (36, 561054), (39, 517896), (52, 388422), (54, 374036), (72, 280527), (78, 258948), (104, 194211), (108, 187018), (117, 172632), (156, 129474), (216, 93509), (234, 86316), (312, 64737), (351, 57544), (468, 43158), (702, 28772), (936, 21579), (1404, 14386), (2808, 7193)]