20104990956

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{108631}}^1$

素因数の和:108791

約数の個数: 72

約数和(自身を含む): 52314129504

約数和(自身を除く): 32209138548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 97, 106, 159, 194, 212, 291, 318, 388, 477, 582, 636, 873, 954, 1164, 1746, 1908, 3492, 5141, 10282, 15423, 20564, 30846, 46269, 61692, 92538, 108631, 185076, 217262, 325893, 434524, 651786, 977679, 1303572, 1955358, 3910716, 5757443, 10537207, 11514886, 17272329, 21074414, 23029772, 31611621, 34544658, 42148828, 51816987, 63223242, 69089316, 94834863, 103633974, 126446484, 189669726, 207267948, 379339452, 558471971, 1116943942, 1675415913, 2233887884, 3350831826, 5026247739, 6701663652, 10052495478, 20104990956]

約数ペア:

[(1, 20104990956), (2, 10052495478), (3, 6701663652), (4, 5026247739), (6, 3350831826), (9, 2233887884), (12, 1675415913), (18, 1116943942), (36, 558471971), (53, 379339452), (97, 207267948), (106, 189669726), (159, 126446484), (194, 103633974), (212, 94834863), (291, 69089316), (318, 63223242), (388, 51816987), (477, 42148828), (582, 34544658), (636, 31611621), (873, 23029772), (954, 21074414), (1164, 17272329), (1746, 11514886), (1908, 10537207), (3492, 5757443), (5141, 3910716), (10282, 1955358), (15423, 1303572), (20564, 977679), (30846, 651786), (46269, 434524), (61692, 325893), (92538, 217262), (108631, 185076)]