20178689616

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{20347}}^1$

素因数の和:20529

約数の個数: 120

約数和(自身を含む): 57860921664

約数和(自身を除く): 37682232048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 97, 142, 144, 194, 213, 284, 291, 388, 426, 568, 582, 639, 776, 852, 873, 1136, 1164, 1278, 1552, 1704, 1746, 2328, 2556, 3408, 3492, 4656, 5112, 6887, 6984, 10224, 13774, 13968, 20347, 20661, 27548, 40694, 41322, 55096, 61041, 61983, 81388, 82644, 110192, 122082, 123966, 162776, 165288, 183123, 244164, 247932, 325552, 330576, 366246, 488328, 495864, 732492, 976656, 991728, 1444637, 1464984, 1973659, 2889274, 2929968, 3947318, 4333911, 5778548, 5920977, 7894636, 8667822, 11557096, 11841954, 13001733, 15789272, 17335644, 17762931, 23114192, 23683908, 26003466, 31578544, 34671288, 35525862, 47367816, 52006932, 69342576, 71051724, 94735632, 104013864, 140129789, 142103448, 208027728, 280259578, 284206896, 420389367, 560519156, 840778734, 1121038312, 1261168101, 1681557468, 2242076624, 2522336202, 3363114936, 5044672404, 6726229872, 10089344808, 20178689616]

約数ペア:

[(1, 20178689616), (2, 10089344808), (3, 6726229872), (4, 5044672404), (6, 3363114936), (8, 2522336202), (9, 2242076624), (12, 1681557468), (16, 1261168101), (18, 1121038312), (24, 840778734), (36, 560519156), (48, 420389367), (71, 284206896), (72, 280259578), (97, 208027728), (142, 142103448), (144, 140129789), (194, 104013864), (213, 94735632), (284, 71051724), (291, 69342576), (388, 52006932), (426, 47367816), (568, 35525862), (582, 34671288), (639, 31578544), (776, 26003466), (852, 23683908), (873, 23114192), (1136, 17762931), (1164, 17335644), (1278, 15789272), (1552, 13001733), (1704, 11841954), (1746, 11557096), (2328, 8667822), (2556, 7894636), (3408, 5920977), (3492, 5778548), (4656, 4333911), (5112, 3947318), (6887, 2929968), (6984, 2889274), (10224, 1973659), (13774, 1464984), (13968, 1444637), (20347, 991728), (20661, 976656), (27548, 732492), (40694, 495864), (41322, 488328), (55096, 366246), (61041, 330576), (61983, 325552), (81388, 247932), (82644, 244164), (110192, 183123), (122082, 165288), (123966, 162776)]