20123351656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1\times {\mathrm{2677}}^1$

素因数の和:4514

約数の個数: 64

約数和(自身を含む): 41278049280

約数和(自身を除く): 21154697624

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 1783, 2108, 2677, 3566, 4216, 5354, 7132, 10708, 14264, 21416, 30311, 45509, 55273, 60622, 82987, 91018, 110546, 121244, 165974, 182036, 221092, 242488, 331948, 364072, 442184, 663896, 939641, 1410779, 1879282, 2821558, 3758564, 4773091, 5643116, 7517128, 9546182, 11286232, 19092364, 38184728, 81142547, 147965821, 162285094, 295931642, 324570188, 591863284, 649140376, 1183726568, 2515418957, 5030837914, 10061675828, 20123351656]

約数ペア:

[(1, 20123351656), (2, 10061675828), (4, 5030837914), (8, 2515418957), (17, 1183726568), (31, 649140376), (34, 591863284), (62, 324570188), (68, 295931642), (124, 162285094), (136, 147965821), (248, 81142547), (527, 38184728), (1054, 19092364), (1783, 11286232), (2108, 9546182), (2677, 7517128), (3566, 5643116), (4216, 4773091), (5354, 3758564), (7132, 2821558), (10708, 1879282), (14264, 1410779), (21416, 939641), (30311, 663896), (45509, 442184), (55273, 364072), (60622, 331948), (82987, 242488), (91018, 221092), (110546, 182036), (121244, 165974)]