20481947194

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{977}}^1\times {\mathrm{1889}}^1$

素因数の和:3078

約数の個数: 32

約数和(自身を含む): 31940697600

約数和(自身を除く): 11458750406

約数列:

[1, 2, 31, 62, 179, 358, 977, 1889, 1954, 3778, 5549, 11098, 30287, 58559, 60574, 117118, 174883, 338131, 349766, 676262, 1845553, 3691106, 5421373, 10482061, 10842746, 20964122, 57212143, 114424286, 330353987, 660707974, 10240973597, 20481947194]

約数ペア:

[(1, 20481947194), (2, 10240973597), (31, 660707974), (62, 330353987), (179, 114424286), (358, 57212143), (977, 20964122), (1889, 10842746), (1954, 10482061), (3778, 5421373), (5549, 3691106), (11098, 1845553), (30287, 676262), (58559, 349766), (60574, 338131), (117118, 174883)]