20041052280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{420677}}^1$

素因数の和:421088

約数の個数: 64

約数和(自身を含む): 60274743840

約数和(自身を除く): 40233691560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 7940, 9528, 11910, 15880, 23820, 47640, 420677, 841354, 1262031, 1682708, 2103385, 2524062, 3365416, 4206770, 5048124, 6310155, 8413540, 10096248, 12620310, 16827080, 25240620, 50481240, 167008769, 334017538, 501026307, 668035076, 835043845, 1002052614, 1336070152, 1670087690, 2004105228, 2505131535, 3340175380, 4008210456, 5010263070, 6680350760, 10020526140, 20041052280]

約数ペア:

[(1, 20041052280), (2, 10020526140), (3, 6680350760), (4, 5010263070), (5, 4008210456), (6, 3340175380), (8, 2505131535), (10, 2004105228), (12, 1670087690), (15, 1336070152), (20, 1002052614), (24, 835043845), (30, 668035076), (40, 501026307), (60, 334017538), (120, 167008769), (397, 50481240), (794, 25240620), (1191, 16827080), (1588, 12620310), (1985, 10096248), (2382, 8413540), (3176, 6310155), (3970, 5048124), (4764, 4206770), (5955, 3365416), (7940, 2524062), (9528, 2103385), (11910, 1682708), (15880, 1262031), (23820, 841354), (47640, 420677)]