20709898559

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3527}}^1$

素因数の和:3637

約数の個数: 64

約数和(自身を含む): 27433728000

約数和(自身を除く): 6723829441

約数列:

[1, 7, 17, 19, 49, 53, 119, 133, 323, 343, 371, 833, 901, 931, 1007, 2261, 2597, 3527, 5831, 6307, 6517, 7049, 15827, 17119, 18179, 24689, 44149, 49343, 59959, 67013, 110789, 119833, 172823, 186931, 309043, 345401, 419713, 469091, 838831, 1139221, 1209761, 1308517, 2937991, 3177827, 3283637, 3551689, 5871817, 7974547, 9159619, 20565937, 22244789, 22985459, 24861823, 55821829, 60378713, 64117333, 155713523, 174032761, 390752803, 422650991, 1089994661, 1218229327, 2958556937, 20709898559]

約数ペア:

[(1, 20709898559), (7, 2958556937), (17, 1218229327), (19, 1089994661), (49, 422650991), (53, 390752803), (119, 174032761), (133, 155713523), (323, 64117333), (343, 60378713), (371, 55821829), (833, 24861823), (901, 22985459), (931, 22244789), (1007, 20565937), (2261, 9159619), (2597, 7974547), (3527, 5871817), (5831, 3551689), (6307, 3283637), (6517, 3177827), (7049, 2937991), (15827, 1308517), (17119, 1209761), (18179, 1139221), (24689, 838831), (44149, 469091), (49343, 419713), (59959, 345401), (67013, 309043), (110789, 186931), (119833, 172823)]