20484210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 30526350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 71, 118, 142, 163, 177, 213, 295, 326, 354, 355, 426, 489, 590, 710, 815, 885, 978, 1065, 1630, 1770, 2130, 2445, 4189, 4890, 8378, 9617, 11573, 12567, 19234, 20945, 23146, 25134, 28851, 34719, 41890, 48085, 57702, 57865, 62835, 69438, 96170, 115730, 125670, 144255, 173595, 288510, 347190, 682807, 1365614, 2048421, 3414035, 4096842, 6828070, 10242105, 20484210]

約数ペア:

[(1, 20484210), (2, 10242105), (3, 6828070), (5, 4096842), (6, 3414035), (10, 2048421), (15, 1365614), (30, 682807), (59, 347190), (71, 288510), (118, 173595), (142, 144255), (163, 125670), (177, 115730), (213, 96170), (295, 69438), (326, 62835), (354, 57865), (355, 57702), (426, 48085), (489, 41890), (590, 34719), (710, 28851), (815, 25134), (885, 23146), (978, 20945), (1065, 19234), (1630, 12567), (1770, 11573), (2130, 9617), (2445, 8378), (4189, 4890)]