20185122531784

素因数分解:

$2^3\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{201705997}}^1$

素因数の和:201707797

約数の個数: 32

約数和(自身を含む): 43278038930880

約数和(自身を除く): 23092916399096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1787, 3574, 7148, 12509, 14296, 25018, 50036, 100072, 201705997, 403411994, 806823988, 1411941979, 1613647976, 2823883958, 5647767916, 11295535832, 360448616639, 720897233278, 1441794466556, 2523140316473, 2883588933112, 5046280632946, 10092561265892, 20185122531784]

約数ペア:

[(1, 20185122531784), (2, 10092561265892), (4, 5046280632946), (7, 2883588933112), (8, 2523140316473), (14, 1441794466556), (28, 720897233278), (56, 360448616639), (1787, 11295535832), (3574, 5647767916), (7148, 2823883958), (12509, 1613647976), (14296, 1411941979), (25018, 806823988), (50036, 403411994), (100072, 201705997)]