20163741675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{81199}}^1$

素因数の和:81273

約数の個数: 96

約数和(自身を含む): 42530611200

約数和(自身を除く): 22366869525

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 43, 55, 75, 77, 105, 129, 165, 175, 215, 231, 275, 301, 385, 473, 525, 645, 825, 903, 1075, 1155, 1419, 1505, 1925, 2365, 3225, 3311, 4515, 5775, 7095, 7525, 9933, 11825, 16555, 22575, 35475, 49665, 81199, 82775, 243597, 248325, 405995, 568393, 893189, 1217985, 1705179, 2029975, 2679567, 2841965, 3491557, 4465945, 6089925, 6252323, 8525895, 10474671, 13397835, 14209825, 17457785, 18756969, 22329725, 24440899, 31261615, 38407127, 42629475, 52373355, 66989175, 73322697, 87288925, 93784845, 115221381, 122204495, 156308075, 192035635, 261866775, 268849889, 366613485, 468924225, 576106905, 611022475, 806549667, 960178175, 1344249445, 1833067425, 2880534525, 4032748335, 6721247225, 20163741675]

約数ペア:

[(1, 20163741675), (3, 6721247225), (5, 4032748335), (7, 2880534525), (11, 1833067425), (15, 1344249445), (21, 960178175), (25, 806549667), (33, 611022475), (35, 576106905), (43, 468924225), (55, 366613485), (75, 268849889), (77, 261866775), (105, 192035635), (129, 156308075), (165, 122204495), (175, 115221381), (215, 93784845), (231, 87288925), (275, 73322697), (301, 66989175), (385, 52373355), (473, 42629475), (525, 38407127), (645, 31261615), (825, 24440899), (903, 22329725), (1075, 18756969), (1155, 17457785), (1419, 14209825), (1505, 13397835), (1925, 10474671), (2365, 8525895), (3225, 6252323), (3311, 6089925), (4515, 4465945), (5775, 3491557), (7095, 2841965), (7525, 2679567), (9933, 2029975), (11825, 1705179), (16555, 1217985), (22575, 893189), (35475, 568393), (49665, 405995), (81199, 248325), (82775, 243597)]