20307942778

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 30942037440

約数和(自身を除く): 10634094662

約数列:

[1, 2, 157, 163, 314, 326, 619, 641, 1238, 1282, 25591, 51182, 97183, 100637, 100897, 104483, 194366, 201274, 201794, 208966, 396779, 793558, 15840829, 16403831, 31681658, 32807662, 62294303, 64674977, 124588606, 129349954, 10153971389, 20307942778]

約数ペア:

[(1, 20307942778), (2, 10153971389), (157, 129349954), (163, 124588606), (314, 64674977), (326, 62294303), (619, 32807662), (641, 31681658), (1238, 16403831), (1282, 15840829), (25591, 793558), (51182, 396779), (97183, 208966), (100637, 201794), (100897, 201274), (104483, 194366)]