20146870395

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{5227}}^1$

素因数の和:5582

約数の個数: 80

約数和(自身を含む): 37408723968

約数和(自身を除く): 17261853573

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 307, 405, 465, 837, 921, 1395, 1535, 2511, 2763, 4185, 4605, 5227, 8289, 9517, 12555, 13815, 15681, 24867, 26135, 28551, 41445, 47043, 47585, 78405, 85653, 124335, 141129, 142755, 162037, 235215, 256959, 423387, 428265, 486111, 705645, 770877, 810185, 1284795, 1458333, 1604689, 2116935, 2430555, 3854385, 4374999, 4814067, 7291665, 8023445, 13124997, 14442201, 21874995, 24070335, 43326603, 49745359, 65624985, 72211005, 129979809, 149236077, 216633015, 248726795, 447708231, 649899045, 746180385, 1343124693, 2238541155, 4029374079, 6715623465, 20146870395]

約数ペア:

[(1, 20146870395), (3, 6715623465), (5, 4029374079), (9, 2238541155), (15, 1343124693), (27, 746180385), (31, 649899045), (45, 447708231), (81, 248726795), (93, 216633015), (135, 149236077), (155, 129979809), (279, 72211005), (307, 65624985), (405, 49745359), (465, 43326603), (837, 24070335), (921, 21874995), (1395, 14442201), (1535, 13124997), (2511, 8023445), (2763, 7291665), (4185, 4814067), (4605, 4374999), (5227, 3854385), (8289, 2430555), (9517, 2116935), (12555, 1604689), (13815, 1458333), (15681, 1284795), (24867, 810185), (26135, 770877), (28551, 705645), (41445, 486111), (47043, 428265), (47585, 423387), (78405, 256959), (85653, 235215), (124335, 162037), (141129, 142755)]