20197512

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 57499200

約数和(自身を除く): 37301688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 439, 568, 639, 648, 852, 878, 1278, 1317, 1704, 1756, 1917, 2556, 2634, 3512, 3834, 3951, 5112, 5268, 5751, 7668, 7902, 10536, 11502, 11853, 15336, 15804, 23004, 23706, 31169, 31608, 35559, 46008, 47412, 62338, 71118, 93507, 94824, 124676, 142236, 187014, 249352, 280521, 284472, 374028, 561042, 748056, 841563, 1122084, 1683126, 2244168, 2524689, 3366252, 5049378, 6732504, 10098756, 20197512]

約数ペア:

[(1, 20197512), (2, 10098756), (3, 6732504), (4, 5049378), (6, 3366252), (8, 2524689), (9, 2244168), (12, 1683126), (18, 1122084), (24, 841563), (27, 748056), (36, 561042), (54, 374028), (71, 284472), (72, 280521), (81, 249352), (108, 187014), (142, 142236), (162, 124676), (213, 94824), (216, 93507), (284, 71118), (324, 62338), (426, 47412), (439, 46008), (568, 35559), (639, 31608), (648, 31169), (852, 23706), (878, 23004), (1278, 15804), (1317, 15336), (1704, 11853), (1756, 11502), (1917, 10536), (2556, 7902), (2634, 7668), (3512, 5751), (3834, 5268), (3951, 5112)]