20199863164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4004731}}^1$

素因数の和:4004845

約数の個数: 24

約数和(自身を含む): 38461446128

約数和(自身を除く): 18261582964

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 4004731, 8009462, 16018924, 52061503, 104123006, 208246012, 388458907, 776917814, 1553835628, 5049965791, 10099931582, 20199863164]

約数ペア:

[(1, 20199863164), (2, 10099931582), (4, 5049965791), (13, 1553835628), (26, 776917814), (52, 388458907), (97, 208246012), (194, 104123006), (388, 52061503), (1261, 16018924), (2522, 8009462), (5044, 4004731)]