20420594888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7902707}}^1$

素因数の和:7902749

約数の個数: 32

約数和(自身を含む): 42674623200

約数和(自身を除く): 22254028312

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7902707, 15805414, 31610828, 63221656, 134346019, 150151433, 268692038, 300302866, 537384076, 600605732, 1074768152, 1201211464, 2552574361, 5105148722, 10210297444, 20420594888]

約数ペア:

[(1, 20420594888), (2, 10210297444), (4, 5105148722), (8, 2552574361), (17, 1201211464), (19, 1074768152), (34, 600605732), (38, 537384076), (68, 300302866), (76, 268692038), (136, 150151433), (152, 134346019), (323, 63221656), (646, 31610828), (1292, 15805414), (2584, 7902707)]