20145940948

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{7243}}^1$

素因数の和:7901

約数の個数: 72

約数和(自身を含む): 42869760192

約数和(自身を除く): 22723819244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 617, 644, 1127, 1234, 2254, 2468, 4319, 4508, 7243, 8638, 14191, 14486, 17276, 28382, 28972, 30233, 50701, 56764, 60466, 99337, 101402, 120932, 166589, 198674, 202804, 333178, 354907, 397348, 666356, 695359, 709814, 1166123, 1390718, 1419628, 2332246, 2781436, 4468931, 4664492, 8162861, 8937862, 16325722, 17875724, 31282517, 32651444, 62565034, 102785413, 125130068, 205570826, 218977619, 411141652, 437955238, 719497891, 875910476, 1438995782, 2877991564, 5036485237, 10072970474, 20145940948]

約数ペア:

[(1, 20145940948), (2, 10072970474), (4, 5036485237), (7, 2877991564), (14, 1438995782), (23, 875910476), (28, 719497891), (46, 437955238), (49, 411141652), (92, 218977619), (98, 205570826), (161, 125130068), (196, 102785413), (322, 62565034), (617, 32651444), (644, 31282517), (1127, 17875724), (1234, 16325722), (2254, 8937862), (2468, 8162861), (4319, 4664492), (4508, 4468931), (7243, 2781436), (8638, 2332246), (14191, 1419628), (14486, 1390718), (17276, 1166123), (28382, 709814), (28972, 695359), (30233, 666356), (50701, 397348), (56764, 354907), (60466, 333178), (99337, 202804), (101402, 198674), (120932, 166589)]