20090145608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1296473}}^1$

素因数の和:1296641

約数の個数: 32

約数和(自身を含む): 40838931000

約数和(自身を除く): 20748785392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1937, 3874, 7748, 15496, 1296473, 2592946, 5185892, 10371784, 16854149, 33708298, 67416596, 134833192, 193174477, 386348954, 772697908, 1545395816, 2511268201, 5022536402, 10045072804, 20090145608]

約数ペア:

[(1, 20090145608), (2, 10045072804), (4, 5022536402), (8, 2511268201), (13, 1545395816), (26, 772697908), (52, 386348954), (104, 193174477), (149, 134833192), (298, 67416596), (596, 33708298), (1192, 16854149), (1937, 10371784), (3874, 5185892), (7748, 2592946), (15496, 1296473)]