20178245571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2243}}^1$

素因数の和:2468

約数の個数: 64

約数和(自身を含む): 30853025280

約数和(自身を除く): 10674779709

約数列:

[1, 3, 11, 33, 41, 61, 109, 123, 183, 327, 451, 671, 1199, 1353, 2013, 2243, 2501, 3597, 4469, 6649, 6729, 7503, 13407, 19947, 24673, 27511, 49159, 73139, 74019, 82533, 91963, 136823, 147477, 219417, 244487, 272609, 275889, 410469, 733461, 817827, 1011593, 1505053, 2689357, 2998699, 3034779, 4515159, 5609743, 8068071, 8996097, 10023967, 14913707, 16829229, 30071901, 44741121, 61707173, 110263637, 164050777, 185121519, 330790911, 492152331, 611461987, 1834385961, 6726081857, 20178245571]

約数ペア:

[(1, 20178245571), (3, 6726081857), (11, 1834385961), (33, 611461987), (41, 492152331), (61, 330790911), (109, 185121519), (123, 164050777), (183, 110263637), (327, 61707173), (451, 44741121), (671, 30071901), (1199, 16829229), (1353, 14913707), (2013, 10023967), (2243, 8996097), (2501, 8068071), (3597, 5609743), (4469, 4515159), (6649, 3034779), (6729, 2998699), (7503, 2689357), (13407, 1505053), (19947, 1011593), (24673, 817827), (27511, 733461), (49159, 410469), (73139, 275889), (74019, 272609), (82533, 244487), (91963, 219417), (136823, 147477)]