20201102325

素因数分解:

$3^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:825

約数の個数: 120

約数和(自身を含む): 38097436608

約数和(自身を除く): 17896334283

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 83, 135, 225, 249, 263, 405, 415, 457, 675, 747, 789, 1245, 1315, 1371, 2025, 2075, 2241, 2285, 2367, 3735, 3945, 4113, 6225, 6575, 6723, 6855, 7101, 11205, 11425, 11835, 12339, 18675, 19725, 20565, 21303, 21829, 33615, 34275, 35505, 37017, 37931, 56025, 59175, 61695, 65487, 102825, 106515, 109145, 113793, 120191, 168075, 177525, 185085, 189655, 196461, 308475, 327435, 341379, 360573, 532575, 545725, 568965, 589383, 600955, 925425, 948275, 982305, 1024137, 1081719, 1637175, 1706895, 1768149, 1802865, 2844825, 2946915, 3004775, 3072411, 3245157, 4911525, 5120685, 5408595, 8534475, 8840745, 9014325, 9735471, 9975853, 14734575, 15362055, 16225785, 25603425, 27042975, 29927559, 44203725, 48677355, 49879265, 76810275, 81128925, 89782677, 149637795, 243386775, 249396325, 269348031, 448913385, 748188975, 808044093, 1346740155, 2244566925, 4040220465, 6733700775, 20201102325]

約数ペア:

[(1, 20201102325), (3, 6733700775), (5, 4040220465), (9, 2244566925), (15, 1346740155), (25, 808044093), (27, 748188975), (45, 448913385), (75, 269348031), (81, 249396325), (83, 243386775), (135, 149637795), (225, 89782677), (249, 81128925), (263, 76810275), (405, 49879265), (415, 48677355), (457, 44203725), (675, 29927559), (747, 27042975), (789, 25603425), (1245, 16225785), (1315, 15362055), (1371, 14734575), (2025, 9975853), (2075, 9735471), (2241, 9014325), (2285, 8840745), (2367, 8534475), (3735, 5408595), (3945, 5120685), (4113, 4911525), (6225, 3245157), (6575, 3072411), (6723, 3004775), (6855, 2946915), (7101, 2844825), (11205, 1802865), (11425, 1768149), (11835, 1706895), (12339, 1637175), (18675, 1081719), (19725, 1024137), (20565, 982305), (21303, 948275), (21829, 925425), (33615, 600955), (34275, 589383), (35505, 568965), (37017, 545725), (37931, 532575), (56025, 360573), (59175, 341379), (61695, 327435), (65487, 308475), (102825, 196461), (106515, 189655), (109145, 185085), (113793, 177525), (120191, 168075)]