20888459956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{2357}}^1$

素因数の和:2729

約数の個数: 96

約数和(自身を含む): 45654803712

約数和(自身を除く): 24766343756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 251, 364, 388, 502, 679, 1004, 1261, 1358, 1757, 2357, 2522, 2716, 3263, 3514, 4714, 5044, 6526, 7028, 8827, 9428, 13052, 16499, 17654, 22841, 24347, 30641, 32998, 35308, 45682, 48694, 61282, 65996, 91364, 97388, 122564, 170429, 214487, 228629, 316511, 340858, 428974, 457258, 591607, 633022, 681716, 857948, 914516, 1183214, 1266044, 1600403, 2215577, 2366428, 2972177, 3200806, 4141249, 4431154, 5944354, 6401612, 7690891, 8282498, 8862308, 11888708, 15381782, 16564996, 20805239, 30763564, 41610478, 53836237, 57385879, 83220956, 107672474, 114771758, 215344948, 229543516, 401701153, 746016427, 803402306, 1492032854, 1606804612, 2984065708, 5222114989, 10444229978, 20888459956]

約数ペア:

[(1, 20888459956), (2, 10444229978), (4, 5222114989), (7, 2984065708), (13, 1606804612), (14, 1492032854), (26, 803402306), (28, 746016427), (52, 401701153), (91, 229543516), (97, 215344948), (182, 114771758), (194, 107672474), (251, 83220956), (364, 57385879), (388, 53836237), (502, 41610478), (679, 30763564), (1004, 20805239), (1261, 16564996), (1358, 15381782), (1757, 11888708), (2357, 8862308), (2522, 8282498), (2716, 7690891), (3263, 6401612), (3514, 5944354), (4714, 4431154), (5044, 4141249), (6526, 3200806), (7028, 2972177), (8827, 2366428), (9428, 2215577), (13052, 1600403), (16499, 1266044), (17654, 1183214), (22841, 914516), (24347, 857948), (30641, 681716), (32998, 633022), (35308, 591607), (45682, 457258), (48694, 428974), (61282, 340858), (65996, 316511), (91364, 228629), (97388, 214487), (122564, 170429)]