2020444840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{52561}}^1$

素因数の和:52634

約数の個数: 48

約数和(自身を含む): 4697465940

約数和(自身を除く): 2677021100

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 19220, 38440, 52561, 105122, 210244, 262805, 420488, 525610, 1051220, 1629391, 2102440, 3258782, 6517564, 8146955, 13035128, 16293910, 32587820, 50511121, 65175640, 101022242, 202044484, 252555605, 404088968, 505111210, 1010222420, 2020444840]

約数ペア:

[(1, 2020444840), (2, 1010222420), (4, 505111210), (5, 404088968), (8, 252555605), (10, 202044484), (20, 101022242), (31, 65175640), (40, 50511121), (62, 32587820), (124, 16293910), (155, 13035128), (248, 8146955), (310, 6517564), (620, 3258782), (961, 2102440), (1240, 1629391), (1922, 1051220), (3844, 525610), (4805, 420488), (7688, 262805), (9610, 210244), (19220, 105122), (38440, 52561)]