20121741178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{4001}}^1$

素因数の和:4168

約数の個数: 96

約数和(自身を含む): 40337854848

約数和(自身を除く): 20216113670

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 113, 119, 154, 187, 226, 238, 289, 374, 578, 791, 1243, 1309, 1582, 1921, 2023, 2486, 2618, 3179, 3842, 4001, 4046, 6358, 8002, 8701, 13447, 17402, 21131, 22253, 26894, 28007, 32657, 42262, 44011, 44506, 56014, 65314, 68017, 88022, 136034, 147917, 228599, 295834, 308077, 359227, 452113, 457198, 476119, 616154, 718454, 748187, 904226, 952238, 1156289, 1496374, 2312578, 2514589, 3164791, 4973243, 5029178, 5237309, 6329582, 7685921, 8094023, 9946486, 10474618, 12719179, 15371842, 16188046, 25438358, 34812701, 53801447, 69625402, 84545131, 89034253, 107602894, 130660657, 169090262, 178068506, 261321314, 591815917, 914624599, 1183631834, 1437267227, 1829249198, 2874534454, 10060870589, 20121741178]

約数ペア:

[(1, 20121741178), (2, 10060870589), (7, 2874534454), (11, 1829249198), (14, 1437267227), (17, 1183631834), (22, 914624599), (34, 591815917), (77, 261321314), (113, 178068506), (119, 169090262), (154, 130660657), (187, 107602894), (226, 89034253), (238, 84545131), (289, 69625402), (374, 53801447), (578, 34812701), (791, 25438358), (1243, 16188046), (1309, 15371842), (1582, 12719179), (1921, 10474618), (2023, 9946486), (2486, 8094023), (2618, 7685921), (3179, 6329582), (3842, 5237309), (4001, 5029178), (4046, 4973243), (6358, 3164791), (8002, 2514589), (8701, 2312578), (13447, 1496374), (17402, 1156289), (21131, 952238), (22253, 904226), (26894, 748187), (28007, 718454), (32657, 616154), (42262, 476119), (44011, 457198), (44506, 452113), (56014, 359227), (65314, 308077), (68017, 295834), (88022, 228599), (136034, 147917)]