20145663208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{12917}}^1$

素因数の和:13450

約数の個数: 64

約数和(自身を含む): 42412377600

約数和(自身を除く): 22266714392

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 479, 814, 958, 1628, 1916, 3256, 3832, 5269, 10538, 12917, 17723, 21076, 25834, 35446, 42152, 51668, 70892, 103336, 141784, 142087, 194953, 284174, 389906, 477929, 568348, 779812, 955858, 1136696, 1559624, 1911716, 3823432, 5257219, 6187243, 10514438, 12374486, 21028876, 24748972, 42057752, 49497944, 68059673, 136119346, 228927991, 272238692, 457855982, 544477384, 915711964, 1831423928, 2518207901, 5036415802, 10072831604, 20145663208]

約数ペア:

[(1, 20145663208), (2, 10072831604), (4, 5036415802), (8, 2518207901), (11, 1831423928), (22, 915711964), (37, 544477384), (44, 457855982), (74, 272238692), (88, 228927991), (148, 136119346), (296, 68059673), (407, 49497944), (479, 42057752), (814, 24748972), (958, 21028876), (1628, 12374486), (1916, 10514438), (3256, 6187243), (3832, 5257219), (5269, 3823432), (10538, 1911716), (12917, 1559624), (17723, 1136696), (21076, 955858), (25834, 779812), (35446, 568348), (42152, 477929), (51668, 389906), (70892, 284174), (103336, 194953), (141784, 142087)]