20228799375

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{211543}}^1$

素因数の和:211586

約数の個数: 60

約数和(自身を含む): 38660512176

約数和(自身を除く): 18431712801

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 765, 1125, 1275, 1875, 2125, 3825, 5625, 6375, 10625, 19125, 31875, 95625, 211543, 634629, 1057715, 1903887, 3173145, 3596231, 5288575, 9519435, 10788693, 15865725, 17981155, 26442875, 32366079, 47597175, 53943465, 79328625, 89905775, 132214375, 161830395, 237985875, 269717325, 396643125, 449528875, 809151975, 1189929375, 1348586625, 2247644375, 4045759875, 6742933125, 20228799375]

約数ペア:

[(1, 20228799375), (3, 6742933125), (5, 4045759875), (9, 2247644375), (15, 1348586625), (17, 1189929375), (25, 809151975), (45, 449528875), (51, 396643125), (75, 269717325), (85, 237985875), (125, 161830395), (153, 132214375), (225, 89905775), (255, 79328625), (375, 53943465), (425, 47597175), (625, 32366079), (765, 26442875), (1125, 17981155), (1275, 15865725), (1875, 10788693), (2125, 9519435), (3825, 5288575), (5625, 3596231), (6375, 3173145), (10625, 1903887), (19125, 1057715), (31875, 634629), (95625, 211543)]