20099530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 42508800

約数和(自身を除く): 22409270

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 59, 95, 110, 118, 163, 190, 209, 295, 326, 418, 590, 649, 815, 1045, 1121, 1298, 1630, 1793, 2090, 2242, 3097, 3245, 3586, 5605, 6194, 6490, 8965, 9617, 11210, 12331, 15485, 17930, 19234, 24662, 30970, 34067, 48085, 61655, 68134, 96170, 105787, 123310, 170335, 182723, 211574, 340670, 365446, 528935, 913615, 1057870, 1827230, 2009953, 4019906, 10049765, 20099530]

約数ペア:

[(1, 20099530), (2, 10049765), (5, 4019906), (10, 2009953), (11, 1827230), (19, 1057870), (22, 913615), (38, 528935), (55, 365446), (59, 340670), (95, 211574), (110, 182723), (118, 170335), (163, 123310), (190, 105787), (209, 96170), (295, 68134), (326, 61655), (418, 48085), (590, 34067), (649, 30970), (815, 24662), (1045, 19234), (1121, 17930), (1298, 15485), (1630, 12331), (1793, 11210), (2090, 9617), (2242, 8965), (3097, 6490), (3245, 6194), (3586, 5605)]