20802063075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{3323}}^1$

素因数の和:3569

約数の個数: 96

約数和(自身を含む): 37986140160

約数和(自身を除く): 17184077085

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 191, 285, 345, 437, 475, 573, 575, 955, 1311, 1425, 1725, 2185, 2865, 3323, 3629, 4393, 4775, 6555, 9969, 10887, 10925, 13179, 14325, 16615, 18145, 21965, 32775, 49845, 54435, 63137, 65895, 76429, 83075, 83467, 90725, 109825, 189411, 229287, 249225, 250401, 272175, 315685, 329475, 382145, 417335, 634693, 947055, 1146435, 1252005, 1452151, 1578425, 1904079, 1910725, 2086675, 3173465, 4356453, 4735275, 5732175, 6260025, 7260755, 9520395, 12059167, 14597939, 15867325, 21782265, 36177501, 36303775, 43793817, 47601975, 60295835, 72989695, 108911325, 180887505, 218969085, 277360841, 301479175, 364948475, 832082523, 904437525, 1094845425, 1386804205, 4160412615, 6934021025, 20802063075]

約数ペア:

[(1, 20802063075), (3, 6934021025), (5, 4160412615), (15, 1386804205), (19, 1094845425), (23, 904437525), (25, 832082523), (57, 364948475), (69, 301479175), (75, 277360841), (95, 218969085), (115, 180887505), (191, 108911325), (285, 72989695), (345, 60295835), (437, 47601975), (475, 43793817), (573, 36303775), (575, 36177501), (955, 21782265), (1311, 15867325), (1425, 14597939), (1725, 12059167), (2185, 9520395), (2865, 7260755), (3323, 6260025), (3629, 5732175), (4393, 4735275), (4775, 4356453), (6555, 3173465), (9969, 2086675), (10887, 1910725), (10925, 1904079), (13179, 1578425), (14325, 1452151), (16615, 1252005), (18145, 1146435), (21965, 947055), (32775, 634693), (49845, 417335), (54435, 382145), (63137, 329475), (65895, 315685), (76429, 272175), (83075, 250401), (83467, 249225), (90725, 229287), (109825, 189411)]