20154092

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 54

約数和(自身を含む): 42790356

約数和(自身を除く): 22636264

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 107, 124, 196, 214, 217, 428, 434, 749, 868, 961, 1498, 1519, 1922, 2996, 3038, 3317, 3844, 5243, 6076, 6634, 6727, 10486, 13268, 13454, 20972, 23219, 26908, 46438, 47089, 92876, 94178, 102827, 162533, 188356, 205654, 325066, 411308, 650132, 719789, 1439578, 2879156, 5038523, 10077046, 20154092]

約数ペア:

[(1, 20154092), (2, 10077046), (4, 5038523), (7, 2879156), (14, 1439578), (28, 719789), (31, 650132), (49, 411308), (62, 325066), (98, 205654), (107, 188356), (124, 162533), (196, 102827), (214, 94178), (217, 92876), (428, 47089), (434, 46438), (749, 26908), (868, 23219), (961, 20972), (1498, 13454), (1519, 13268), (1922, 10486), (2996, 6727), (3038, 6634), (3317, 6076), (3844, 5243)]